I turned around and managed a slight smile.

我转过身，勉强笑了笑。

youdao

She looked up at him and gave him a slight smile.

她望了望他，给了他一个浅浅的微笑。

youdao

A slight smile, to enjoy the natural distance masterpiece.

微微笑着，向远处欣赏自然的杰作。

youdao

All you need is a slight smile to look more comfortable, confident and relaxed.

FORBES: Smile For The Camera -Media Training

Another trick for the TV camera: keep a slight smile on your face WHILE you are talking.

FORBES: Smile For The Camera -Media Training

Romney slightly pivots towards the person who is talking, has a slight smile and generally soft eye contact with that individual.

FORBES: Three Methods of Persuasion You Can Copy From Obama and Romney (and one from Joe Biden that you should not copy)