Staying calm was an exercise in self-control.

保持镇定是一种自我控制活动。

《牛津词典》

Robots must act in self-preservation, unless doing so conflicts with laws 1 or 2.

在不违反法则一或法则二的情况下，机器人必须自我保护。

youdao

Authoritative parents are more likely than permissive parents to have children who as adolescents are self-confident, high in self-esteem, and responsibly independent.

权威型父母比放任型父母更有可能让孩子在青少年时期变得自信、自尊、负责任且独立。

youdao

They say the Earps and Doc Holliday did not fire in self-defense, but used the law as an excuse for murder.

VOA: special.2010.02.15

And we'll talk about it in future lecture as belief in self-fulfilling prophecies.

我们会在下一次课讲到自我实现的预言。

哈佛公开课 - 幸福课课程节选

You can also use it in self-defense.

你也可以用它自卫。

哈佛公开课 - 幸福课课程节选

Mr Zimmerman says that he acted in self-defence after an altercation broke out with Martin.

BBC: Florida judge sets George Zimmerman bail at $150,000

There are no separate buckets or loss limitations in self-employment taxation on earned income.

FORBES: IRS Should Fix Net Investment Tax Proposed Regulations

During the trial, Arias claimed she killed Alexander in self-defense after he attacked her.

CNN: Jodi Arias asks jurors to spare her life