が止まりません

doesn't stop

→ が
phrase Common #5,748
doesn't stop Follows が-marked nouns to say that something won't stop, often an involuntary action or reaction.
JA: くしゃみが止まりません。
EN: I can't stop sneezing.

せきが止まりません。

I can't stop coughing.

涙が止まりません。

I can't stop crying.

鼻血が止まりません。

My nosebleed won’t stop.

ジョニー君は廊下で座っていましたが、どうしても笑いが止まりません。

Johnny was sitting in the hallway, but he just couldn't stop laughing.

くしゃみが止まりません。

I can't stop sneezing.

出血が止まりません。

The bleeding won’t stop.