“客套话”造句

我言不由衷地说了一些表示同情的客套话。
I mouthed some sympathetic platitudes.

她一句客套话都没讲就开始热切地说起来.
She began speaking intensely, without preliminaries.

我意识到此时按照惯例我应该说些客套话。
I realized that here the conventions required me to make the ritual noises.