e.g. Please help me to figure out my income tax.

　　Figure it out and see what it comes to.

　　You should first figure out how to do it.

　　I tried to figure out what he meant by saying such words.

12. involve：vt. 卷入、连累、牵涉，involve sb. in / with sth.

e.g. Don't involve me in your quarrel.

　　　He was involved with the Mafia.

　　　We are all involved, whether we like it or not.

　　　He was deeply involved in debts.

　　　To be a good student, you should get involved in class and even school affairs.

13. cost：vt.花费（时间、钱）

Sth. cost sb. money / time.某事花费了某人......

e.g. The pen only cost him five yuan.

The old car cost me $ 500

　　　What / How much does the coat cost?

　　　His illness cost his mother some sleepless nights.

　　　Such a difficult job costs a lot of time and effort.

Sth. cost sb. sth：某事使某人失去了....../付出了......的代价

e.g. Smoking cost him his health.

　　　Careless driving cost him his life / leg.

n. 成本、代价

reduce the cost：降低成本； at the cost of...：以......的代价；

at all costs / any cost：不惜代价

e.g. Does the price cover the production costs of these goods?

14. conduct：vt. 组织、实事、进行

e.g. You should learn how to conduct a meeting.

　　　They will conduct a survey on pollution.

　　　He has no time to conduct his business abroad.

　　　Who would like to conduct the experiment?

　　　vt. 指导、指引、领导

e.g. The guide conducted us safely to the airport.

She conducted the members of the audience to their seats.

15. advocate：vt. 提倡、倡导、主张，advocate (doing) sth.

e.g. I advocate the revision of the rules = I advocate revising the rules.

　　　The Prime Minister advocated the use of air force. =

　　　The Prime Minister advocated using the air force

16. urge：vt. 力劝、怂恿、催促、主张

1) urge sb. to do sth.

e.g. They urged me to eat the strange food.

　　　He urged her to join their company.

　　　Mother urged me not to tell you about it.

2) urge sth. on / upon sb.：向某人强调......

e.g. She urged on us the necessity of patience.

I should urge on you the importance of hard work.