聞こえませんでした

could not hear, was not audible

→ 聞こえる
verb · past potential Rare #37,461
could not hear, was not audible The negative past polite form of 聞こえる, often used for sounds that could not be heard rather than for a deliberate failure to listen.
JA: 先生の声がよく聞こえませんでした。
EN: I couldn't hear the teacher's voice well.
Conjugation of 聞こえる
Potential past
聞こえませんでした

よく聞こえませんでした

I couldn't hear you very well.

入ってきたのが聞こえませんでした

I didn't hear you come in.

君の名前が呼ばれるのが聞こえませんでした

Didn't you hear your name being called?

隣の部屋の声が聞こえませんでした

Couldn’t you hear the voices from the next room?