I think he says something to me with a singsong sadness in his voice .

我想他对我说了些什么，声音里有一种单调的悲伤。

He called my name in a singsong tone .

他用节奏起伏的声音叫我的名字。

Welsh people are often described as having singsong voices .

威尔士人通常被说成是用平板声调讲话的。

The tedious singsong of the preacher 's voice .

传教士单调乏味的起伏语调。

Use the inflection of your voice to avoid a monotone or singsong approach .

变化你的声音来避免单调或者太过喧闹。