不辞而别

tā de bù cí ér bié ràng tā hěn nán guò

他的不辞而别让她很难过。

She was upset that he had left without saying goodbye.

tā bù cí ér bié

他不辞而别。

He went away without saying good-bye.

yī zhuāng shàn xíng shǐ tā bù cí ér bié lái le zhè lǐ

一桩善行使他不辞而别，来了这里。

An errand of generosity brought him here unknown to us.

tā bù cí ér bié zhēn qí guài

她不辞而别，真奇怪。

It’s curious that she left without saying goodbye.