acquit vt. 宣判..无罪。表示因证据不足而免除对某人的指控。
　　※He was acquitted on the charge of murder but convicted of manslaughter.他被宣判谋杀罪不成立，但过失杀人罪成立。
　　discharge vt. 允许...离开。指使某人从其职责、义务、囚禁或其他束缚中解脱出来.
　　※Although she was still ill, she discharged herself from hospital.虽然她的病还没好，她就迫不及待地出了院。
　　excuseadj.可笑的，该嘲笑的。指傻得惹人耻笑。
　　※I was excused from football practice because I had a cold.我被允许不参加足球训练因为我感冒了。