を抑えた

… held back

→ を
phrase Rare #28,876
… held back Follows the thing being restrained or kept at a low level; the best English wording depends on the context.
JA: 彼は怒りを抑えた。
EN: He held back his anger.

少女は懸命に涙を抑えた。

The girl struggled to hold back her tears.

彼女はあの激しい気性を抑えたほうがいい。

She should learn to control her fiery temper.

彼は怒りを抑えた。

He held back his anger.

彼は感情を抑えた。

He kept his emotions in check.

トムはあくびを抑えた。

Tom stifled a yawn.