HSK 7–9 · Practice
不由自主
involuntarily; cannot help oneself
看到那张照片，他不由自主地笑了。
Kàn dào nà zhāng zhàopiàn， tā bùyóuzìzhǔ de xiàole。
Seeing that photo, he couldn't help but smile.
HSK 7–9 · Practice
involuntarily; cannot help oneself
看到那张照片，他不由自主地笑了。
Kàn dào nà zhāng zhàopiàn， tā bùyóuzìzhǔ de xiàole。
Seeing that photo, he couldn't help but smile.