Occasionally he raised a wan smile.

偶尔，他还会露出一个苍白的笑容。

youdao

Then she gave a wan smile. “Cost me $400 tolearn that I just have arthritis and that I need to take Tylenol.”

她笑得很凄凉，“花了400块钱我才搞清楚，我只是得了关节炎，需要吃泰诺。”

youdao

People frequently bombard me with compliments on my vivid imagination, and lovers of literature often ask me to divulge my secret to developing a rich imagination. My only response is a wan smile.

很多人夸我想象力丰富，有一些文学爱好者，希望我能告诉他们培养想象力的秘诀，对此，我只能报以苦笑。

youdao

"Maybe in the future it would be better for me to stay on land, " he says with a wan smile.

CNN: ASIANOW - TIME Asia

Yet through my distress I gave a wan smile.

ENGADGET: 'Twas the night before...

He looked almost imploringly at the jury, with a wan, sort of half-smile on his face.

CNN: Returned verdict catches everyone off guard