the trait of resolutely controlling your own behavior
例句
用作名词(n.)
With his usual possession, he answered all the questions.他以那惯常的沉着回答了所有的问题。
The father became a bitter recluse,shutting himself away from many friends and refusing every activity that might restore his poise and bring him back to his normal self.这个男人把自己关起来远离朋友，拒绝任何能使他镇定下来恢复正常的事，成了一个痛苦的自闭者。
