叽咕

He mumbled something to me which I did not quite catch.

他对我了几句话, 可我没太听清楚。

Mr. Bosher, with his mouthful of biscuit, mumbled that it was sweetly pretty.

伯希尔先生满嘴塞着饼干，说这真是美极了。

As she denounced the government's policy, the crowd murmured their approval.

当她抨政府的政策时, 听众示赞同。