concerted

动词 concert:

1. contrive (a plan) by mutual agreement
   同义词：concert
2. settle by agreement
   同义词：concert

形容词 concerted:

1. involving the joint activity of two or more
   同义词：combined, conjunct, conjunctive, cooperative, united

1. In spite of the difficulty of the passage, we succeeded in picking out its sense by our concerted efforts.
   这段文字虽然难懂，但是我们通过共同努力还是弄懂了它的含意。
2. A conscientious or concerted effort toward an end; an earnest attempt.
   努力，尽力为达到目标而所做的尽职的、一致的努力; 热切的尝试
3. He woke his audience to the need for concerted action.
   他使听众意识到有必要采取一致的行动。
4. A vigorous concerted movement for a cause or against an abuse.
   圣战赞成某一事业或反对某一弊病而进行的有力的统一运动

con.cert.ed

adj.（形容词）
Planned or accomplished together; combined:
商定的：共同计划或完成的；联合的：
例句：
We made a concerted effort to solve the problem.
我们一起努力解决了这个问题

Music Arranged in parts for voices or instruments.
【音乐】 编成合奏曲的：按声音与乐器分声部的

【引伸】
concert.edly
adv.（副词）