diathermic/die·əʹthuhmik/ adj

• look as if butter wouldn't melt (in one's mouth)
• look askance at
• look a treat
• look back
• look daggers at
• look down
• look down one's nose at
• looker
• look for
• look for trouble
• look here
• look in
• look-in
• looking glass
• look into
• look on
• look out
• lookout
• look over
• look-see
• look/see/etc through rose-coloured glasses/spectacles
• look sharp
• look the part
• look to
• look to one's laurels