复吸

fù xī

2-character word Traditional 復吸

What 复吸 means

to resume smoking (after giving up)
to relapse into smoking or drug abuse

The characters in 复吸

复fùto go and return; to return; to resume
吸xīto breathe; to suck in; to absorb

Looking a word up is not learning it. GraphChinese puts all of HSK 1–6 into one dependency graph, teaches each piece only once its prerequisites are solid, and schedules reviews to land just before you would forget.

Start learning — $49 lifetime