to show one’s claws

to show one’s colors

to show one's cards

to show one’s hand

to show promise

to show signs of strain

to show somebody the door

to show signs of wear

to show someone a clean pair of heels

to show somebody to the door

to show someone in/out

to show someone up

to show the flag

to show through

to show up well/badly

to show up

to show one’s colours

I'll show you how to do it.

to show off

Show your colors!

to show one’s face

Show your passport, please.

to show one’s solidarity with someone

to show one’s true colours

Show it to her and you’ll have her in stitches / rolling on the floor with laughter / and it will leave her doubled up with laughter