Usages of ttae
초를 켤 때 조심하세요.choreul kyeol ttae josimhaseyo.
Be careful when lighting the candles.
비행기를 탈 때 여권을 보여 주세요.bihaenggireul tal ttae yeogwoneul boyeo juseyo.
When you board a plane, please show your passport.
길을 건널 때 조심해요.gireul geonneol ttae josimhaeyo.
Be careful when crossing the street.
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