Rain pattered gently outside, dripping on to the roof from the pines. [VERB adv./prep.]

外面，松树上的雨水滴落在屋顶上，嗒嗒作响。

...the patter of the driving rain on the roof. [+ of]

暴雨打在屋顶上发出的啪嗒声

There's no doubt women found him charming. It must have been his patter because he's certainly not at all good-looking.

女人们无疑会觉得他很迷人。这肯定是因为他的顺口溜，因为他长得一点儿都不好看。

Fran began her automatic patter about how Jon had been unavoidably detained.

弗兰开始不由自主地唠叨起乔恩是怎样无可避免地被扣留的。