He soon recovered his usual self-possession.

他很快恢复了平时沉着冷静的样子。

She found her customary self-possession had deserted her.

她发现自己不像平时那样遇事不惊了。

I mean, technically, if I want to personally go out and kill someone because he offends me, that is self-possession.

我是说，准确来说，如果因为有人冒犯我，我想亲自出去杀了他，这也是自我控制。

Phillip admired Tom's arrogance and self-possession.

菲利普欣赏汤姆的傲慢和沉着。

Attached? Sustain patience, serenity, and your self-possession.

有伴的需保持耐心，沉着冷静。