We must always bear in mind that only hard work leads to success.

My car <u><em>broke down</em></u> on way to the railway station.

To keep the wolf away from the door

Most of the present day politicians have <u><em>an axe to grind</em></u>.

To throw dust in one's eyes

I met him after a long time, but he gave me <u><em>the cold shoulder</em></u>.

Ladies fall victim to <u><em>green eyed monster</em></u>.

To get cold feet

Kunika was <u><em>cocksure</em></u> that she was able to do the job as desired.