上一次当,学一次乖

shàng yī cì dàng , xué yī cì guāi

to take sth as a lesson for next time (idiom)

once bitten, twice shy

shàng

(bound form) up; upper; above; previous

one

next in sequence

dàng

at or in the very same...

,

xué

to learn

one

next in sequence

guāi

(of a child) obedient, well-behaved