You're very perceptive.

My, you're sharper than you look.

In actuality, their actual eye is small and very sharp.

Its edge is even keener than that scissor's.

She's pretty sharp.

There's my favorite glare! You look more like your daddy every day!

That's because I am as slippery as a snake, with sharp fangs, to bite at your vital points.

Normally, they look stern, but when you're being kind to someone, I love the way they soften.

How can he be so keen despite being as dumb as a protozoan?

he will be slowly eaten alive by mice, with their sharp front teeth.

He looks like a total retard, but he's pretty sharp.

All we know is that they've got a sharp sixth sense. They can read minds.

It's certainly fearsome, but unless you get close, it's nothing but a sharp stinger.

You're pretty sharp, Mayaka.

Your mom's pretty sharp.

The young and the elderly are particularly perceptive.

Sharp reads and good bluffs wouldn't get them this far.

It seems you've managed to cast off your hesitancy. Your movements are quite agile today.

You're pretty perceptive, Aoki.

He's good.