Daily Vocabulary(2006/12/07)

3156.close in on (～にだんだん近づく・肉薄する、～を包囲する）
Every time we start to close in on a deal, they move the goalposts again.
3157.vehicle for（～のための手段）
Tom planned his　presentation as a vehicle for catching the eye of senior management.
3158.cut both ways(諸刃の剣）
The arguments for this problem can be cut both ways.
3159.allege(断言する、主張する）
They allege that the increase in racial incidents is a result of biased education.
3160.leap forward(飛躍）
We have to make a great leap forward.
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