A: Trông Nam hôm nay buồn lắm, có chuyện gì thế nhỉ?
B: Kệ nó đi, tao không quan tâm.
A: Nam looks sad today, is there anything wrong with him?
B: Let him be (It doesn't matter to me). I dont care about him.
A: Cậu định mặc cái váy này đi phỏng vấn à? xấu lắm.
B: Kệ đi. Có quan trọng đâu.
A: Cái gì cậu cũng kệ!
A: You plan to wear this dress to the job interview? It's ugly!
B: doesn't matter. it is not important.
A: nothing matters to you then!
People who use this expression often might be the ones with devil-may-care attitude, someone reckless, happy-go-lucky. So, if you are one of them, remember this expression! See you on the next post!