• pull the wool over his eyes

• of a size

• cut him down to size

• be wise to it

• much greatly to his surprise

• be wise after the event

• size up it

• the whys and the wherefores

• a wise guy

• dot one's I's and cross one's T's

• close one's eyes to it

• there are no flies on him

• open his eyes to it

• keep one's eyes skinned

• can't believe my ears eyes

• with one's eyes open

• time flies

• cry one's eyes out

• none the wiser

• not to be able to take one's eyes off it

• a sight for sore eyes

• lay eyes on it

• penny wise and pound foolish

• make eyes at him

• take him by surprise

• give rise to it

• make eyes at

• throw dust in his eyes

• butterflies in the stomach

• praise him to the skies

• make his hackles rise