他的双唇在会心的微笑中张开。

His lips were spread in a sly smile.

一早进入会场落座的人群里传来会心的笑声。

Hearty chuckles from the early morning crowd just settling into their seats.

究其原因，一部分是因为我们之中的很多人在看到别人成功时会心生妒意，而且试图去拆别人的台。

For some reason, many of us get jealous when others are successful, and we try to tear the person down.

导演在影片最后缓和了沉重的氛围，用一抹会心的微笑在黑暗中掘出一条通往光亮的道路。

Daft lifts plenty of heavy weight in the film's final moments and does so with an effortless smile helping the film dig its way out of the dark and into the light.

当然，这事我们对谁也没说，只是在脸上露出浅浅的、会心的一笑，就像老爸在乐天知命后脸上常露出的笑容那样。

But we kept the story to ourselves, allowing ourselves only small, knowing smiles, like the one we had seen so often on Daddy’s face since he had come to terms with himself.