- Well, then, feel like a sniff of air?
- Yes, sir.

4 seconds sound clip from the The Bridge on the River Kwai movie soundboard.

You can hear this line at 01:36:29.668 in the Blu-ray version of the movie.

Quote context

[...]

- You've had parachute training, of course?

- No, sir.

- Blast. This is awkward. Silly, it never occurred to me.

- Well, in that case, maybe...

- Yes, he's right. We'd better arrange some practice jumps for him immediately.

- I'll pop over and check with Freddie right away.

- All right, Chapman, you can run along.

- Yes, sir.

- Well, then, feel like a sniff of air?

- Yes, sir.

- You don't realise what a plum you are for us. Your knowledge of the area, your making friends in that village.

- It's almost as if your whole escape had been planned with us in mind.

- By the way, here's something that'll interest you. The new L pill.

- L pill?

- L for lethal. Instantaneous, painless. Much better than the old ones. For capture, of course.

[...]