NATURE

slepičí mozek (o hloupém člověku)

1. And should anyone call you a bird-brain, just say, " Thank you! " (COCA)
2. I guess I've just been a bit of a bird-brain lately since I've done many stupid things. (Google)
3. Don't call me a bird brain - The wackiest weird stories from around the world. (Google)
   

černá vdova (jedovatý pavouk)

The bite of a black widow can kill humans. BNC

One of them, the belief that a black widow spider had spun a web under the toilet seat, had been with him since. COCA

Once he added a flair by eating a black widow spider alive. Times

stébla trávy

I slept among the blades of grass until the sun was high. COCA

And the whole garden, from the blades of grass to the tall proud hollyhocks, sighed with pleasure. BNC

Even today, souvenir hunters pull blades of grass from the lawn around the mausoleum housing the coffins of Elvis. Times

slepý jako patrona

1. Your sense of direction is totally lost, you're blind as a bat, and I'm nowhere around to guide you to the lavatory. (COCA)
2. I'm blind as a bat without my glasses. Mind if I wear them? (COCA)
   
3. He was deaf as a post and blind as a bat. (The irony was not lost on the old count.) (COCA)

stát se něčím krásným

1. Doctors do know that obese kids nearly always bloom into obese adults. (COCA)
   
2. Two winners saw seeds they planted bloom into statewide movements that will survive beyond their student days. (COCA)
3. They have returned this charge with a sullen suspicion that can bloom into paranoia about Western plots. (COCA)

stát se něčím krásným

1. Try not to compare him with his older siblings. It's harder to blossom into an individual if you're living in the shadow of a hockey champ. (COCA)
   
2. I coached them, rooted for their teams, and waited anxiously to see them blossom into stars. (COCA)
3. I watched this young woman blossom into this beautiful butterfly. (COCA)

velmi chladné počasí

1. This place is known for its brass monkey weather. (Google)
2. My favourite way of describing 'brass monkey' weather is: "It's as cold as a mother-in laws kiss". (Google)
3. The UK has certainly been exposed to a fairly lengthy period of brass monkey weather. (Google)

chov v zajetí

So breeding in captivity is vital to ensure the species survival. BNC

"Breeding in captivity was the easy part," says William Toone, curator of birds at the San Diego park. Times

...so it's up to us to control all penguin breeding in captivity. COCA

slon v porcelánu

1. You are a bull in a china shop at home, so think before you act or speak. (COCA)
2. That's when he earned a reputation as a bull in a china shop, with manners. (COCA)
3. " I am very strong because I am careless, " like a bull in a china shop. (COCA)

nezávazná konverzace

1. They rib each other and chat about the latest crime in a morning ritual called the bull session. (COCA)
2. But this time, they enjoy a relatively leisurely meal and a bull session, too. (COCA)
3. Soon we were having the usual bull session about the merits of the Yankees vs. the Mets. (COCA)