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.

他相冷静沉着,聚精会神地判断如何打手。

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.

斯内普却沉着地的回视着伏地魔的，过了一会儿，伏地魔那没有嘴唇的嘴曲了一下，像是在笑。