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な顔をした

had a ... look on one's face

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phrase Common #7,715
had a ... look on one's face Follows a word or phrase describing an expression, as in 悲しそうな顔をした (had a sad look on one's face).
JA: 彼は驚いたような顔をした。
EN: He had a surprised look on his face.

彼は不機嫌そうな顔をした。

He looked displeased.

今度は彼女が疑わしそうな顔をした。

This time, she looked suspicious.