acquit
词根词缀：
acquit v. 免除责任；免罪
ac 加强 + quit 使自由；免除 →〔疑犯〕获得自由 → 免罪
acquittal n. 释放；还清（债）
ac 表加强 + quit 使自由；免除 + tal，acquit 的名词 → 释放；还清（债）
quit v. 停止；放弃（为获得自由而放弃）
quitclaim n. 放弃权利
quit 使自由；免除 + claim 宣告 → 放弃宣告的权利 → 放弃权利
requite v. 报答
re 回 + quit 使自由；免除 + e → 回头使〔恩人〕自由 → 报答
requital n. 报答
re 回 + quit 使自由；免除 + al 表行为，requite的名词 → 报答
数据来源：新东方英语词汇速记大全
相关例句：
Now it is the test of agrarian reform that we have to pass, and I hope we shall acquit ourselves just as well as we did in the test of war.
现在是要过土改一关，我希望我们大家都和过战争关一样也过得很好。
If the gauntiet doesn't fit, you must acquit.
如果你因不开门而耽误了事情的话，你就完了。
She is interviewed on the radio but acquit herself rather badly.
她受到电台采访，但表现得很差劲。
To acquit you with the complete product lines we handle, we are attaching a catalog to this letter for your reference.
为使你方熟悉我公司经营的全部产品，现随信寄出产品目录一份供参考。
Mr Ling was acquitted of disorderly behaviour by magistrates.
地方法官宣判林先生扰乱治安罪名不成立。
Acquit a person of a charge.
宣告某人未曾犯被指控的罪。