A smile on your face shows you are happy or friendly.

你脸上的微笑表明你很高兴或友好。

Just wear a pair of hiking boots and a smile on your face.

只需要穿上一双登山靴，并且面带微笑。

A smile on your face is reflected in your voice.

脸上的笑容会通过声音反映出来。

Keep a smile on your face. It gives you an instant facelift.

脸上保持微笑。这可以立即让你的面部散发光彩。

One thing is for sure, most of them will put a smile on your face.

但无疑的是，看了之后大多数都会博你一笑。

Keep your posture confident (BUT NOT TENSE! ) and cool with your head up and a smile on your face.

所以保持姿势的自信（别弄的紧张了）并酷酷的抬起头来面带微笑。

There's always a smile on your face and everybody likes to make friends with you.

总有一个微笑在你的脸上，每个人都喜欢和你交朋友。

That means telling the routines with a smile on your face and with some relaxed enthusiasm.

意思是，说惯例的时候保持微笑，同时带有自然的热情。

Try and wear a smile on your face frequently, and you will get an unexpected response in return.

试着经常在脸上挂满微笑，作为回报，你会获得出乎意料的回应哦。

Here's a piece of silliness that should definitely put a smile on your face, though we warn you that there are spoilers ahead.

尽管我告诉你下面有剧透，但这张傻气的图片肯定会让你会心一笑。