あいつの息の根を止めてやる。の英語

I'll do away with him.

I'll kill him.

I'll choke the life out of him.

I'll wring his neck.

Hold your breath, please.

Please hold your breath.

Take a breath and hold it.

sigh regretfully

to breathe one's last―expire

I will put an end to his life―kill him.

pause for breath

lose one's breath

I take big breaths.

I get out of breath.

feel suffocated

Please breathe in.

Please breathe out and hold.

Take a deep breath, please.

to remain still while holding one's breath

Take a deep breath.

It suits my son just right.

I can hear the soft breathing.

Breathe deeply through your mouth.

heave a sigh

heave [give (out)] a sigh

I let out a disappointed sigh.

I sighed.

to lose breath from being in a hurry

to lose breath from rushing

breathing out a puff of air