He came in with a pained expression.

他表情痛苦地走了进来。

youdao

She had a pained expression on her face.

她脸上带者痛苦的表情。

youdao

He's looking at me with a pained expression on his face.

他看着我，脸上挂着痛苦的表情。

youdao

He's looking at me with a pained expression on his face.

他看着我，脸上挂着痛苦的表情。

youdao