show (your) mettle

See at: prove mettle

• be staring someone in the face
• be stark raving mad
• best bet
• best bib and tucker
• best of both worlds
• best of the best
• best of the lot
• be straining at the leash
• be streets ahead
• be strictly for the birds
• be strong point
• be strong suit
• best thing since sliced bread
• be stuck in a groove
• be stuck in a rut
• be tailor-made
• be talking out of both sides of mouth
• be talking out of both sides of your mouth
• be talking through hat
• be talking through your hat
• be tanked up
• be ten a penny
• be thankful for small mercies
• be that as it may
• be the armpit of the universe