He has been working on and off for several years on this research project.

I am afraid he is <u><em>burning the candle</em></u> at both ends.

Mohan always <u><em>keeps himself to himself</em></u>

Despite being under debt, Amit still <u><em>keeps a good table</em></u>.

To make umbrage

To be rolling in money

He is <u><em>out and out</em></u> a reactionary.

At one's beck and call

We were in hurry. The road being zigzag we had to <u><em>cut off a corner</em></u> to reach in t…