克制自己

nerve oneself───鼓起勇气；振作

relieve oneself───v.大小便

remember oneself───记住自己

assert oneself───坚持自己的权利或意见

beside oneself───极度兴奋；发狂

present oneself───出席

repeat oneself───不自觉地重复

Fifth, it is essential to advocate the attitude of "saying all you know and saying it without reserve" to one's comrades and superiors, and to oneself.───第五，要提倡知无不言言无不尽的态度，对同志、对自己、对上级都应抱有这种态度。

Reserve oneself for a competition───养精蓄锐准备比赛