He looks as if butter would not melt in his mouth

It looks alright to me

It looks for all the world like

It looks like a column.

It looks like a sack.

It looks very much like Easter

It looks like I’m a contender for the sales manager position

If looks could kill!

loom gale

to loom ahead

to loom large

loon/loony

loony bin

to loop the loop

looped

to go loopy

I am at a loose end

loose ends

to loose one’s face

loose fish/life

loose talk

loose woman

in a loose sense

to be at loose end

Loose lips sink ships!