نفس in English:

Life is not measured by the number of breaths we take, but by the moments that take our breath away.

Karl Lange's record breaking long jump took the crowd's breath away.

Possible side effects include blurred vision and shortness of breath.

You can save your breath. There is no use talking to him.

To our great surprise, she held her breath for three minutes.

fresh breath

In this harsh, petty world where money does the talking, his way of life is like a breath of fresh air.

Short-term effects of smoking include unfitness, wheezing, a general vulnerability to illness, bad breath, bad skin and so on.

I would maintain with my last breath that he is innocent.

The students laughed under their breath when they saw that the teacher had put on his sweater backwards.

My attitude to the comma is physiological; the more breath I have, the fewer commas I use.

The excited woman tried to explain the accident all in one breath.

If you have bad breath it may mean that you have stomach problems. / Remember to take a few deep breaths before you enter the examination room.

breathing space

Breath through the bag.