-기 십상이다
be very likely to (something bad)
Level 4 · Expression
Explanation
Doing or not doing something easily leads to a bad outcome. Attaches to verb stems. A warning tone; close to -기 쉽다.
Examples
계획 없이 여행하면 돈을 낭비하기 십상이다.
Travelling without a plan easily wastes money.
서두르면 실수하기 십상이에요.
If you rush, you're likely to make mistakes.
밤에 운전할 때 졸면 사고가 나기 십상이다.
Dozing while driving at night easily leads to accidents.
TOPIK note
TOPIK II Reading 3–4 (≈ -기 쉽다).