染上坏习惯

fall into a bad habit

染上

catch; contract; acquire; develop; be infected with; be tainted with; be stained with

习惯

habit; custom; rule; practice; ritual; usage; knack; way; convention; wont; adjust; accustom; habituate; acclimatize; settle in; be used to; get used to; become accustomed to; be accustomed to; accustomed; attuned; habitual; conventional; customary