가 없다

there is no; do not have

→ 가

phrase Extremely common #89

there is no; do not have Used after a noun marked with -이/가 to express that something does not exist or is unavailable. In expressions such as 믿을 수가 없다, it can mean “cannot believe.” The particle may be omitted in everyday speech, as in 시간이 없어.

KO: 내게는 시간이 없다.

EN: I have no time.

다리를 움직일 수가 없다.

I can't move my legs.

화장실에 휴지가 없다.

There’s no toilet paper in the bathroom.

넌 요즘 왜 이렇게 대답 에 성의가 없다

Why have you been putting so little effort into your replies lately?

— Tune in for Love (2019)

나는 이 말을 이해할 수가 없다.

I can't understand what this means.