unemotional

形容词 unemotional:

1. unsusceptible to or destitute of or showing no emotion
2. cool and formal in manner
   同义词：reserved, restrained, reticent

1. 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。