瘋狂英語口語突破單詞116: problem

The problem is when we should do it.
    問題是我們應該什么時候做。
    We have to settle the problem.
    我們得解決這個問題。
    【額外成就感】
    His son is a problem to him.
    他兒子老給他添麻煩。
    A: What’s the problem?
    出什么事了？
    B: I can’t seem to find my keys.
    我好象找不到鑰匙了。