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clear of扫除，清除
例句：The weather bulletin reports the road (to be) clear of snow.
气象简报说道路无雪。
2.The military commander in North West Frontier Province General Tariq Khan said the military operations would probably be wrapped up within about a month, but the fight against the Taliban would continue in other ways.
wrap up掩饰, 伪装, 围好围巾, 包起来
例句：I can't wrap up the peace talk In less than fifty pages.
我无法以不到50页纸的篇幅写出和平会谈总结。
Before we wrap up everything, I'd like to add a clause to the contract. I am not comfortable with the verbal agreement.
在我们结束谈判之前,我想在合同里加一个条款,我对口头约定不放心。
3.Both companies have received billions of dollars in US government aid in an attempt to stay in business.
in an attempt to 力图, 试图
例句：He was frustrated in an attempt to cross the river.
他试图渡河，但没能成功。
介词短语，其动词短语形式是attempt to do sth.
4.General Sir Richard Dannatt has now come down firmly in the second camp, arguing that Britain is likely to find itself in a generational struggle against al-Qaeda and other militant Islamists rather than against other states.
rather than不是…而是…
例句：AN ambitious politician, guided by expediency rather than principle.
一个有野心的政客,常为自身利益而不是原则来指导。