Don't lose patience, things will improve by and by

To oil the knocker

A snake in the grass

He <u><em>rides the high horse</em></u> because of his high connection.

He is always <u><em>picking holes</em></u> in every project.

Be in the mire

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

Sumit had to look <u><em>high and low</em></u> before he could find his scooter key.

Spick and span