2016每日一句英語四級口語練習19

【每日一句】
    Don't realize too much which will let you down.不要知道得太多，會難過。
    【知識點講解】
    let sb down v.放下;使…失望;松懈;把(衣服)放長;披散;放氣
    例句：I feel let down by his indifference.他的漠不關心使我感到失望。