Usages of kkok
비행기를 탈 때 여권을 꼭 챙기세요.bihaenggireul tal ttae yeogwoneul kkok chaenggiseyo.
Be sure to bring your passport when you board a plane.
로그인할 때 비밀번호를 꼭 정확하게 입력하세요.rogeu-inhal ttae bimilbeonhoreul kkok jeonghwakhage ipryeokhaseyo.
When you log in, be sure to enter the password accurately.
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