Put himself upon his good behavior.

Put himself upon his good behavior.

Neither fish, flesh nor good red herring.

Neither fish, flesh nor good red herring.

To cut a whetstone with a razor.

To cut a whetstone with a razor.

A thorn in the flesh.

A thorn in the flesh.

No better than you should be.

No better than you should be.

A flea in his ear.

A flea in his ear.

A precious pair of brothers [i.e., rascals].

A precious pair of brothers [i.e., rascals].

As cold as cucumbers.

As cold as cucumbers.

Add to golden numbers golden numbers.

Add to golden numbers golden numbers.