Word: 不由自主 (bùyóuzìzhǔ) 不由自主 dictionary entry bùyóuzìzhǔ can't help but Full dictionary entry for 不由自主 Example sentences using 不由自主 2 sentences, showing page 1 of 1. 孩子不由自主地哭了起来。 Háizi bùyóu-zìzhǔ de kūle qǐlai. The child began to cry involuntarily. 总统不由自主地笑了起来。 Zǒngtǒng bùyóu-zìzhǔ de xiàole qǐlai. The president laughed in spite of himself.