눈치채지 못했어요

didn't notice

→ 눈치채다
phrase Rare #20,296
didn't notice Often used when someone fails to notice or pick up on something. The ending is polite.
KO: 문이 열려 있는 걸 눈치채지 못했어요.
EN: I didn't notice that the door was open.

전에는 눈치채지 못했어요.

I didn't notice it before.

— 스즈메의 문단속 (2022)

난 그것을 눈치채지 못했어요.

I didn’t notice it.

— 스즈메의 문단속 (2022)

난 운전하고 있었고 전혀 눈치채지 못했어요.

I was driving and didn’t notice at all.

— 스즈메의 문단속 (2022)