例句：

　　You are a lemon.

　　你真沒用。

　　The answer is a lemon.

　　這個答案完全不可思議。

　　The car is a lemon, so you don't have tospend so much money on it.

　　這車子不值錢，所以沒必要花那么多錢在它上面。

　　If you were a lemon, you would not be supposed to dwell on the sweetness of watermelon.

　　如果你是一只檸檬，就不該老是盯著西瓜的甜。