1. fishy 可疑的，不可靠的

　　Something is fishy with this bank statement.

　　2. cold fish 冷酷无情的人

　　The man is a cold fish and he has very few friends.

　　3. drink like a fish 大喝，狂饮

　　The man drank like a fish at the party.

　　4. a fish out of water 浑身不自在

　　She felt like a fish out of water when she came in with her jeans in a masquerade party.

　　5. big fish in a small pond 小地方的大人物

　　Nobody knows him in the city, but he is a big fish in a small pond in his town.

　　6. packed in like sardines 拥挤不堪

　　We were packed in like sardines in the train.