来自concert, 音乐会，协奏曲，即一起唱歌的，词义引申为一致的，齐心协力的。

1. There has been a concerted campaign against the proposals.

人们将采取一致行动反对这些提议.

2. Concerted action alone leads to victory.

步调一致才能得胜利.

3. But a concerted effort has begun to improve the quality of the urban air.

但是各方已经开始共同努力改善城镇空气质量。

4. Martin Parry, author of the report, says it's time for concerted action by world leaders.

该报道的作者马丁·帕里宣称是世界各国的首脑采取一致行动的时候了。

5. Disagreements among the twelve EC countries prevented them from taking any concerted action.

欧共体12个成员国之间的意见不合导致他们无法采取统一的行动。