4. It is no harm/good/use+doing It is useless+doing It is a waste(of time/money)+doing It is worthwhile+doing There is no good/use+in+doing There is no use to do sth/for sth There is no need to do sth There is no doubt about/that-clause There is no sense+in+doing There is no point+in+doing

3. on doing sth 　 insist+ 坚持…，坚决要求+that+(should) do 　　　　　　 认为，坚持说+that+陈述语气

2. apologize to sb for (doing) sth make an apology to sb=say sorry to sb

1. complain to sb about/of sth take a complaint to sb about/of sth

10. throw light upon/on：阐明… 　 be absorbed in：全神贯注于…，热衷于… 　 be available for sth/to do sth：对…有效的/可利用的 　 be sensitive to sth：对…敏感 　 rang from…to…：范围从…到…

9. rob warn cure +sb of sth cheat inform

8. It is likely that-clause It is possible/probable that-clause sb/sth be likely to do It is possible for sb to do sth sth is probable

7. all the way：一路上，一直，始终 on the/one’s way (to)：在…的路上 in the way：挡道

6. benefit sb/sth：使…受益 sb benefit from/by：从…中获益