到底 1.(到尽头) to the end; to the finish 打到底 fight to the finish; 坚持到底 hold on to [till] end2.(最后) at last; in the end; after all; finally 试验到底成功了。the experiment finally proved to be a success.3.(究竟) ever; indeed 你到底说了些什么? what on earth did you say?4.(终究) after all; in the final analysis 别灰心, 这工作对你说来到底还是生疏的。 don't get discouraged, you are new to the work after all
彻底 thorough; thoroughgoing 彻底改变 radical change; permutation; 彻底击败某人 mop the floor with sb.; 彻底决裂 make a complete break with ...; 彻底抛弃 cast off once for all; 彻底破产 complete bankruptcy; 彻底胜利 complete victory; 彻底失败 thorough defeat; 彻底检查 overhauling; 彻底搜查 rummage; 彻底完蛋 collapsed totally; 彻底消灭 utterly destroy