Animal idioms:
1. Ants in one's pants (जब आप बेचैनी की वजह से शांत नहीं रह पाते): unable to sit still or remain calm out of nervousness or excitement
E. g. Lisa had ants in her pants the day before her interview.
2. Cat nap (झपकी लेना): a short sleep
E. g. I'm going to have a cat nap while you're cooking dinner.
3. Cat's got one's tongue (जब कोई बोलता नहीं है - क्यूंकि वे शर्मा रहे होते हैं): said about someone who doesn't speak (usually due to shyness)
E. g. It looks like the cat's got your tongue, Lucy. Are you always this quiet?
4. Chicken out (डर की वजह से कोई चीज ना करना): to decide not to do something out of fear (usually just before)
E. g. I was going to take a ride on Jack's motorcyle, but I chickened out when he gave me a helmet to wear.
5. Clam up (एकदम से शांत हो जाना): become quiet suddenly
E. g. Arthur clammed up when I asked him about his family.
6. Copy cat (कोई जो दूसरों की नकल करता हो): a person who does the same thing as someone else
E. g. My sister is such a copy cat. First she bought the same car as me, and now she's applying to my school.
7. Dog days (जब दिन बहुत गर्म होते हैं): very hot days
E. g. I sleep in the basement during the dog days of August.
8. Dropping like flies (जल्दी से सूख जाना या मर जाना): dying/giving up quickly
E. g. My roses are dropping like flies in this early frost.