get sb done表示讓賓語(yǔ)被做，強(qiáng)調(diào)被動(dòng)性的動(dòng)作；get sb/sth+形容詞/副詞/介詞表示使某事發(fā)生，使賓語(yǔ)處于什么狀態(tài)。
例句：
He got his brother to help him.
他讓他兄弟來(lái)幫助他。
He got the car started.
他發(fā)動(dòng)了小汽車(chē)。
He got his bike running very fast.
他把自行車(chē)騎的飛快。
Please get your ticket ready.
請(qǐng)準(zhǔn)備好票。