"the witness remained collected throughout the cross-examination" "perfectly poised and sure of himself" "more self-contained and more dependable than many of the early frontiersmen" "strong and self-possessed in the face of trouble"
He who follows reason in all things is both tranquil and active at the same time, and also cheerful and collected. 在所有事情上遵循理智的人既是宁静的又是积极的，既是欢乐的又是镇定的。
In punishing your child for doing something wrong, you want to do so in a deliberate manner when you are calm and collected. 当你因为孩子做错事而要处罚他的时候，你应该在自己冷静镇定的时候，好好地考虑一下。
Susan married a man who appeared to be unemotional and self - possessed but who turned out to have a soft centre. 苏珊嫁给了一个看起来冷漠有自制力的男人，可没想到他原来是一个软心肠呢。
