Why do you wish to tread on the toes?

To set the thames on fire

No caring for the family, Devender wanted <u><em>to gather roses only</em></u>.

Kamal told the audience <u><em>to hold their peace</em></u> until he had finished his address.

You will <u><em>get into hot water</em></u> if you commit the same mistake again.

He is temporarily in charge of the company and is trying <u><em>to feather his nest</em></u>.

To disabuse one's mind

To hit the nail right on the head

The country's economy is beginning to <u><em>look up</em></u> now.