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push for急切、强烈地要求, 为…奋力争取
例句：People living near the airport are pushing for new rules about night flight.
住在机场附近的人们正强烈要求制订出夜航班机的新规。
He pushed me for an answer.
他催我作出答复。
for后面三个内容组成排比句
2.The Democratic Party swept to power last year, promising fundamental reforms, but its popularity has shrunk due to financial scandals and perceptions of weak leadership.
sweep to victory大获全胜
due to由于，因为
例句：Her absence is due to illness.
她因病缺席。
Due to the extreme cold, we were unable to plant the trees.
由于天气很冷, 所以我们无法去植树。
3.The main suspect still at large is the Bosnian Serb military leader Ratko Mladic.
at large(囚犯)在逃, 逍遥法外
例句：The soldier reported that a prisoner was at large.
士兵报告说一名囚犯在逃。
The escaped prisoner is still at large.
那个逃犯仍逍遥法外。
4.The statement issued on behalf of ebookers confirmed that the company had been unable to process the booking.
on behalf of代表…
例句：At the airport he read an address of welcome on behalf of the association.
在机场上他代表该协会致了欢迎词。
I'm writing on behalf of my mother to express her thanks for your gift.
我代表我母亲写信, 对你的礼物表示感谢。
