There are too many Japanese patrols.

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

You can hear this line at 01:40:05.690 in the Blu-ray version of the movie.

Quote context

[...]

- They say if you make one jump you've only got 50 percent chance of injury. Two jumps, 80 percent. And three jumps, you're bound to get your packet.

- The consensus of opinion is that the most sensible thing for Major Shears to do is to go ahead and jump and hope for the best.

- With or without parachute?

(BOTH LAUGHING) Oh, very good! With or without!

- He's in the trees!

- Yai says we'll never reach the Kwai by the route you took.

- There are too many Japanese patrols.

- We'll have to swing north through heavy jungle.

- Who's going to lead the way?

- Yai himself.

- He hates the Japanese. They've taken all his men for railroad work.

- Which means we shall have to use women bearers.

- Women bearers?

- Well, they're very capable, I'm told.

[...]