for口語說
    1. eye for an eye.以牙還牙
    2. You're grounded for a week你被禁足一星期。
    3.Let him sweat for a couple of hours.讓他焦頭爛額幾小時。
    4.You‘re for real.你來真的啊。
    5.I don't know for sure.我不是很確定。
    6.Are you up for it ? 準備好了嗎?