check sth....检查的对像比如 the police man has right to check ID Card of citizens。警察有权利检查公民的身份证。check for sth...检查的目标 目的如果你用XP有时候开机你会看到windows now is checking disks for errors之类的句子(windows正在给磁盘查错) disks是检查的对像errors是目的prepare for sth ......为。。。。做准备比如 She has well prepared for thetest.她对考试有充分的准备。...