1 [C] the conclusion (that...) an opinion that you reach after thinking about sth carefully 结论: After trying to phone Bob for days, I came to the conclusion that he was on holiday. 我一连几天给鲍勃打电话都打不通，于是得出结论他度假去了。Have you reached any conclusionsfrom your studies? 你从研究中得出什么结论没有？

2 [C] [usu.sing] (formal 正式) an end to sth 终结；结尾: Let us hope the peace talks reach a successful conclusion. 但愿和谈最后会取得成功。

3 [U] an act of arranging or agreeing to sth formally 缔结；订立；达成: The summit ended with the conclusion of an arms-reduction treaty. 裁减军备条约签订后，高峰会议随之结束。