suppress

这种药物可以有效抑制咳嗽症状。

This medicine can effectively ___suppress cough symptoms.

政府试图压制这些不利于他们的新闻报道。

The government attempted to ___suppress these unfavorable news reports.

他努力忍住眼泪，不想在众人面前失态。

He tried hard to ___suppress his tears, not wanting to break down in front of everyone.