Will someone tell me why the old man wants us to build a proper bridge?

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

You can hear this line at 01:29:30.374 in the Blu-ray version of the movie.

Quote context

[...]

- This is Major Shears. He has volunteered to go back and help me blow up the Kwai bridge.

- Really? Good show. Jolly good show, major!

- Get up to sick bay, Baker. This foot's infected.

- The colonel might think I'm malingering, sir.

- I'm the medical officer, Baker. Get cracking.

- Will someone tell me why the old man wants us to build a proper bridge?

- Don't you worry about old Nick. He knows what he's doing.

- Hello, Clipton. About time you paid us a visit.

- Fine job our chaps are doing. Really first-rate.

- Yes.

- How's he behaving?

- I must say, he's been most reasonable since we took over.

[...]