沉着地

The fighters steadily dug themselves in.

战士们沉着地挖掘战壕。

He was comparatively calm and concentrated in judging how to defeat his opponent.

他相对冷静沉着,聚精会神地判断如何打败对手。

Snape, however, looked calmly back into Voldemort's face and,  after a moment or two, Voldemort's lipless mouth curved into something like a smile.

斯内普却沉着地回视着伏地，一会儿，伏地那没有嘴唇嘴微微弯曲一下，像是在笑。