令人感到轻松的的英文：
relaxing

relax the bowels
通便

You must not relax your efforts.
你不可以松懈你的努力。

He relaxed for a moment.
他浑身放松了一会。

free and relaxed in manner.
自由的且行为上不拘束的。

Her nervous tension relaxed.
她紧张的神经松弛下来。