They were speaking in low voices.
他们在低声说话。
Cross could hear him speaking in low tones to Sarah.
克罗斯听得到他对萨拉低声说话。
It is widely known that talking with your mouth full is not polite.
大家都知道，满嘴食物时讲话是不礼貌的。
He shows an almost childlike timidity in talking with strangers.
他和生人谈话简直像小孩子一样面嫩。
He was punctilious about being ready and waiting in the entrance hall exactly on time
他一丝不苟地作好准备并准时地在门厅等候。
He stopped at the door, waiting in vain for her to acknowledge his presence
他在门口停住，徒然地等待她和自己打招呼。
His new job necessitated him/ his getting up at six.
新工作使他不得不六点钟起床。