He tried to smother me with a pillow.

他企图用枕头闷死我。

《柯林斯英汉双解大词典》

He tried to smother the flames with a blanket.

他试图用毯子把火扑灭。

《牛津词典》

Engineers had spent days pumping heavy drilling fluid into the leaking well head on the ocean floor in a high-pressure bid to smother the gushing crude and ultimately seal the well with cement.

工程师们数日来一直向海底的泄漏油井泵入大量的钻探泥浆，希望用高压堵住喷涌的原油，最后用水泥封死油井。

youdao

If his courtiers cannot force the King, they can smother him with protection.

CNN: ASIANOW - TIME Asia | Thailand: The King and Ire

He was due to attend a psychiatric assessment on the day of his wife's death, after attempting to smother her with a pillow two weeks earlier.

BBC: Maplebeck farm death: Husband detained in secure hospital

"He recognized immediately the threat, yelled 'grenade' and due to the fact that two other SEAL snipers, our brothers, could not possibly escape the blast, he chose to smother it with his body, absorbed the impact and lost his life in the process, " said Lt.

CNN: Navy SEAL paid ultimate price to save buddies