cat gets one's tongue
быть не в состоянии что-либо сказать "язык проглотил"
The cat got the boy's tongue when the teacher asked him about his homework.
- fight like cats and dogs
- play cat and mouse with (someone)
- as nervous as a cat
- rain cats and dogs
- alley cat
- let the cat out of the bag
- not enough room to swing a cat
- cat on a hot tin roof
- when the cat's away, the mice will play
- as weak as a kitten
- there is more than one way to skin a cat
- cat nap
- as conceited as a barber's cat