n.僵硬,生硬,强直,顽固
Critics have accused the US of trying to stifle debate.
批评家指责美国试图压制争论。
It is best to stifle curiosity and leave birds' nests alone.
最好能克制住好奇心,不要去碰鸟巢。
His hand shot to his mouth to stifle a giggle.
他赶紧捂住嘴,不让自己笑出声来。