1. 安静的：equanimity 镇定 | equanimous 安静的 | equanimously 安静地
2. 安静的, 镇定的：affable 和蔼可亲的 | equanimous 安静的, 镇定的 | truculence 野蛮, 粗野, 残酷, 好战, 致命性
adj
1. in full control of your faculties
e.g. 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
Synonym: collected poised self-collected self-contained self-possessed