He went back on his promise to vote for me.

A pipe dream

Mr. Roy is known as a <u><em>shop lifter</em></u> in the city commercial centre.

Pin-money

I <u><em>have a bone to pick with</em></u> you in this matter.

It requires unparalleled courage <u><em>to set the Thames on fire</em></u>.

Harassed by repeated acts of injustice, he decided to <u><em>put his foot down</em></u>.

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

To keep one's head