To grow a philosopher's beard.

To grow a philosopher's beard.

Leap out of the frying pan into the fire.

Leap out of the frying pan into the fire.

A flea in his ear.

A flea in his ear.

As clear as a whistle.

As clear as a whistle.

To cut a whetstone with a razor.

To cut a whetstone with a razor.

With tooth and nail.

With tooth and nail.

The asses' bridge.
[Lat., Pons Asinorum.]

The asses' bridge.
[Lat., Pons Asinorum.]

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

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

Turn over a new leaf.

Turn over a new leaf.