Turn over a new leaf.

Turn over a new leaf.

To give importance to trifling matters.

To give importance to trifling matters.

From the crown of our head to the sole of our feet.

From the crown of our head to the sole of our feet.

As leopard feels at home with leopard.

As leopard feels at home with leopard.

A flea in his ear.

A flea in his ear.

As innocent as a new-laid egg.

As innocent as a new-laid egg.

Put himself upon his good behavior.

Put himself upon his good behavior.

As cold as cucumbers.

As cold as cucumbers.

The coast was clear.

The coast was clear.