The old man muttered to himself.
老人喃喃自语。
She muttered against her husband.
她抱怨丈夫。
They heard thunder muttering among the hills.
他们听见山中雷声隆隆。
The employee was muttering complaints.
那个雇员在小声发着牢骚。
He muttered threats at her.
他低声恐吓她。
murmur
Forexample,theskinthatstrokeshimgentlysaysmutteringly"Iloveyou"etc,undoubtedmeetinggetstheresultthatexpectisless than.
譬如,轻抚他的肌肤并喃喃地说“我爱你”等等,无疑会收到意想不到的效果。