不致

bù zhì chū xiàn hùn luàn

不致出现混乱

so as not to be confusion

tū jī xún chá shǐ yuán gōng bù zhì xiè dài tōu lǎn

突击巡察使员工不致懈怠偷懒。

Surprise visits help to keep the staff on their toes.