息を止めて

hold your breath

→ 息
phrase Rare #29,426
hold your breath The て-form of 息を止める, meaning “to stop breathing” or “to hold one’s breath.” It can be used in requests, as in 息を止めてください, or to connect to another action.
JA: 写真を撮るので、息を止めて。
EN: I'm going to take a picture, so hold your breath.

息を止めてください

Please hold your breath.

息を止めて自殺することはできない

You can't kill yourself just by holding your breath.

息を止めてみろ

Try holding your breath.

— Carandiru (2003)