她时刻保持微笑。

She always keeps smiling.

当其他人抱怨时，他一直保持微笑。

He kept smiling while the others complained.

经常保持微笑，保持清新的心情！

Keep smiling, have a fresh frame of mind.

首先要把这记在心里: 始终保持微笑.

Have this in mind first and foremost: Keep smiling!

保持微笑，即使没有必须这样做的理由。

Smile, even when there’s no pressing reason to do so.

首先，对你的谈话对象保持微笑，并与他保持眼神的交流。

At first smile and maintain visual contact with the interlocutor.

别忘了保持微笑，要看起来很放松的样子。

Don't forget to smile and look relaxed.

保持微笑，这都将灌输别人的幸福和喜悦。

Keep smiling and that alone will imbue others with happiness and joy.

如果可以的话，要在工作中时刻保持微笑。

Smile on the job every time the opportunity permits.

不要抬起你的下巴，将你的臀部保持在一侧，并保持微笑。

Don't put your chin up, keep your hips to the side, and smile.