Could you spare one of your staff to help us out?

　　你能不能從你手下抽一個(gè)人過(guò)來(lái)幫幫我們？

　　God help us if this doesn't work.

　　如果這個(gè)行不通，那就要靠上帝了。

　　Stick around; we'll need you to help us later.

　　別走開(kāi)，過(guò)一會(huì )兒我們還需要你幫忙呢。

　　This information will help us build a picture of his attacker.

　　這條信息將有助于描畫(huà)出襲擊他的人的相貌。

　　She won't be able to help us with all the family commitments she has.

　　她有這么多家務(wù)事，幫不了我們。