sit (idly) by (and (do something))

to take no action.

I felt we simply couldn't sit by and see the peace process threatened.

We can't afford to sit idly by while dangerous people threaten our way of life.

• come back down to earth with a bump
• come back down to earth with a jolt
• come back from the dead
• come between
• come by
• come by something
• come cap in hand
• come clean
• come down in the world
• come down off your high horse
• come down on
• come down on like a ton of bricks
• come down on someone
• come down on someone like a ton of bricks
• come down on something
• come down on the side of
• come down on the side of someone
• come down on the side of something
• come down the pike
• come down to
• come down to earth
• come down to earth with a bang
• That's all you need!
• That's a new one on me!
• that's another story