防微杜渐

to nip in the bud (idiom)

to protect / to defend / to guard against / to prevent

surname Du

birchleaf pear (tree) / to stop / to prevent / to restrict

surname Wei / ancient Chinese state near present day Chongqing / Taiwan pr. [Wei2]

tiny / miniature / slightly / profound / abtruse / to decline / one millionth part of / micro- / Taiwan pr. [wei2]

to imbue

gradual / gradually