美國大影星Mel Gibson因酗酒駕車而被捕。當地司法長官說，他希望以後Mel Gibson "would think twice before he gets behind the wheel of a car...," - 希望這位明星在開車前要三思而行。

噢，think twice就是三思而行！中國人想三次，美國人只要想兩次！ 一個人工作懶散，但是想加工資，同事們對他說：Think twice before you go talk to the boss - 意思是：你去跟老闆談話前要三思而行。

一個母親對兒子說："Think twice before you propose to that girl" - 向那女孩求婚前要三思而行！今天學的詞組是：think twice...