The arrival of the mother-in-law in the family proved a rift in the lute.

He <u><em>passed himself off</em></u> as a noble man.

Many people <u><em>called on</em></u> the minister when he was ill.

To live fast

To make the grade

Once in a blue moon

He is a plain, simple and sincere man. He will always <u><em>call a spade a spade</em></u>.

To show one's teeth

He intends <u><em>setting up</em></u> as a lawyer in the adjoining district.