be very stupid

He is dead from the neck up; a thick,
jarhead tough-guy with no more personality than a bag of bricks. Google

Egalitarianism as a philosophy is dead from the neck up, insofar as
even its adherents do not and, indeed, cannot take it seriously.  Google

This project is dead from the neck up. google

be very tired

Sorry, not much to say but my brain is dog tired, I'm sure my boss hates me. WebC

Even though everybody is dog tired and thoroughly soaked.  WebC

Even now, my H works long hours (his unit is getting ready to deploy) and he is dog tired when he gets home.  WebC

být znechucen, otráven

I am fed up with my treatment by my employer and am thinking of resigning.
 Google

 I am fed up with Disposable Devices and You should be too! Google

 I am fed-up of playing games for fun only. Google

být v něčem o hodně lepší než ostatní  ve skupině

The young runner who won the last race is in a class of his own. Longman Dict. of E. Id.

My mother´s cakes are in class of their own. Logman Dict. of E. Id.

mít u někoho dobrou reputaci (dočasně), být v něčí přízni

He thinks highly of our family and uncle is in his good books. google

Anything and everything Spider-Man
is in his good books. Google

Ramu is not the sort to sign an actor just because he or she
is in his good books.  google

know about a lot about sth which most people do not know about

With skills to match their perseverance it’s only a matter of time before the
overground is in the know and flexing their fingers by pressing ‘play. Google

Everyone who is in the "know" knows their NASCAR. Google

Dan is the man who is in the know about birds of prey. Google

not know what to say

But when the moment came I was lost for words. Google

 I was lost for words, disappointed, devastated and felt jilted. google

I was so surprised to see him I was lost for words.
 google

you know it but you cannot quite remember it

It was on the tip of my tongue to say the boss was out. Google

The phrase "Eat me" was on the tip
of my tongue but I choked it back and left.  google

 Her name was on the tip of my tongue and she could see
I felt awkward that I couldn't remember it, so she told me. Google

be very drunk

He is out of his brain with happiness.  Google

 They met when she was 18 and he was out of his brain on cocaine and
amazingly they fell in love.  Google

John was actually a nice guy when he was out of his brain-washed robot self, as we
discussed rap music, playing basketball on lowered rims, and eating grapes. google

být zavalen (prací, povinnostmi...)

When you go back to the kitchen to ask the cook for it, he is snowed
under with orders, so he screams at you to come back later. Google

He places an advertisement and, very soon, he is snowed under with candidates.
 Google

But, since he started this job and he is snowed under with work, I will
gladly give him a break if it means his stress level is lowered.  google

be the person who organizes sth, esp. sth successful

The Prosecution had long claimed that Federman
was the "brains" behind the Bat Ayin plot. Google

Bob McTavish was the brains behind the shortboard revolution
coming out of Australia in the late 60s.  Google

There, he was the brains behind the building of the Colossus code-breaking
computer which was used to decipher enemy messages. Google

be very drunk

Maybe somebody is three sheets in the wind, just totally drunk and shouldn't even be behind the wheel. WebC

He goes up Tower Hill to-morrow night at nine o'clock, walking very slow and very unsteady on 'is pins, and giving my two beauties the idea that 'e is three sheets in the wind. WebC

There was much merry chat in the booking hall as we queued for tickets, until a character whom I suspected, nasty though this may seem, of being a politician of some description suddenly appeared. He was quite obviously three sheet in the wind, and accompanied by a smug-looking chauffeur. WebC

to be too confident of your own intelligence in a way that annoys other people

Everything about the show is too clever by half, especially the clichéd story setup,
which composer, lyricist, and writer Anne Nygren-Doherty tries to redeem . Google

Usually, word play is too
clever by half and not nearly relevant enough or fresh enough.  Google

Sherlock's Home is too clever by half, but the beers are terrific ...
 google

be too energetic or troublesome an activity, sport, pastime etc. for somebody to want to do

Anything bigger than this is too much like hard work.';  BNCI

It was all too much like hard work. BNCI

(De-rigging the spinnaker had sounded too much like hard work.)  BNCI

to be acting as you do when you are working as a teacher, lawyer etc., which may be different from the way you act in other situations 
 

I was wearing my teacher's hat at the meeting. (Cambridge International Dict. of Id.)

Wearing my teacher's hat I am excited by some of the modular schemes available at A-level, particularly those which enable the modules to be examined throughout the course and points aggregated for a grade at the end. WebC

When I was wearing my teacher´s hat, I was in a classroom with 16 students working on degrees in teachimg English as foreign language. Google