Yabla Chinese

Yabla video uses of 专一
成语 chéngyǔ
三心二意 sānxīn'èryì
常 cháng
指 zhǐ
不 bù
安心 ānxīn
不 bù
专一 zhuānyī
The idiom, "Three hearts, two minds," means not concentrated, not attentive.