單元2：dioms of the Week 俗諺俚語

Smell a Rat

英解：that something dishonest is happening

例1：I smell a rat. I don't think he's telling the truth.（我覺得事有蹊蹺。我不認為他在說實話。）

例2：He's been working late every night this week. I smell a rat!（這星期他每晚都工作到深夜。我覺得很可疑！）◇