To control oneself in English, you can say "to have self-control" or "to exercise self-control." These phrases refer to the ability to regulate one's behavior, thoughts, or emotions in order to achieve a desired outcome or to maintain a certain standard of conduct.

The concept of self-control comes from philosophy and psychology, where it is often seen as a key aspect of self-regulation and self-discipline. It is closely related to other concepts such as willpower, self-motivation, and self-discipline.

Here are some example sentences using these phrases:

She showed great self-control by not reacting to his rude comments. (她表现出很强的自我控制，没有对他的粗鲁评论做出反应。)

It takes a lot of self-control to resist the temptation to eat junk food. (要抵抗吃垃圾食品的诱惑需要很强的自控力。)

He struggled to maintain his self-control when his team lost the game. (当他的球队输掉比赛时，他艰难地保持了自我控制。)