瑜伽帮助她在压力下保持内心的平静。

Yoga helps her maintain inner ___calmness under pressure.

湖面的平静让清晨的钓鱼格外惬意。

The ___calmness of the lake made the morning fishing particularly enjoyable.

即使在面试时很紧张，她还是保持着一贯的平静。

Despite feeling nervous during the interview, she maintained her usual ___calmness.