剧透一下，标题的"be a chicken"，真的不是你想的那个意思。
1 a little bird told me
"How did you know the news?"
"Oh, a little bird told me."
2 as gentle as a lamb
She is as gentle as a lamb. That's why everybody likes her.
3 be a chicken
Don't be a chicken. Talk to her about your love for her.
4 be a cold fish
He rarely talks to his colleagues. He's a cold fish.
5 be like a fish out of water
After her divorce, she was like a fish out of water.
6 chicken out
He chickened out just at the time they were taking him to operating theatre.