NATURE

ostříží oči

1. He watches the commotion around him with eagle eyes: technicians and stagehands running around, the audience chanting. (COCA)
2. Adjust your eagle eyes to see the hikers tiptoeing across the Knife Edge. (COCA)
3. She had a big reputation in her family as the girl with the eagle eyes. (COCA)
   

ranní ptáče dál doskáče

1. As the saying goes, “the early bird catches the worm”, one of the things that I learned in the journey towards financial freedom is to start early to retire. (Google)
   
2. " The early bird catches the worm, " their father used to say with a wink of pride at his second daughter. (Google)
3. The early bird catches the worm, but is tired by lunchtime. I was up very early this morning painting, which is not like me at all. (Google)

jíste velmi málo

1. Drink lots of water and eat like a bird for three days. (COCA)
2. " You eat like a bird, " Rajinder's mother said, looking at me and smiling. (COCA)
3. People say I eat like a bird and that's true. Birds eat just enough to fly. (COCA)
   

jedlí krabi

It is illegal to collect undersized Edible Crabs. BNC

Edible Crabs live up to 20 years, a adult Crab may weigh up to 3kg. Google

Large female edible crabs carry up to 20 million eggs when pregnant. Google