to blink	to quickly open and close your eyes
to blush	to go red when you are embarassed
to frown	to draw one's eyebrows together because one is either annoyed or concentrating
to grin	smile broadly because you are very pleased
to grit your teeth	to put your teeth tightly together, esp. because sth is hurting you
to lick	move your tongue across the surface of sth
to scowl	to have an angry hostile expression when you disapprove of sth
to sneer	do sth to show your contemp/lack of respect
to wince	to grimace when sth is hurting you or when you are remembering sth embarassing
to wink	to look towards sb and close one eye briefly, usually as a signal that sth is a joke or a secret
to yawn	you do that when you are tired or bored
to keep your ear to the ground	to be attentive of what is happening or is about to happen
to lie through your teeth	to tell an outright lie
to lose face	to lose the respect of other people
to play it by ear	to decide what to do according to how a situation develops
to do sth by the skin of your teeth	to only just manage to do sth
to see eye to eye on sth	to agree about sth
to turn a blind eye to sth	to deliberately ignore sth
to turn your nose up at sth	to think sth is not good enough for you
not to be able to get one's tongue round	to find a word or phrase very dificult to pronounce
sth catches your eye	you notice sth because it is particularly attractive, unusual or interesting
I'm all ears	I can't wait to hear
my lips are sealed	I will not tell anyone what you have just told me
I'll never be able to show my face in there/here again	I feel too embarrassed to go to a particular place because I have previously done sth embarrassing
It's on the tip of my tongue	I know it but (annoyingly) i just can't recall it
to billow	to move slowly upwards or across the sky (for smoke or clouds)
a blaze	a large and dangerous fire
to catch fire	to start to burn
to be engulfed in flames	when every part of a car, a building, etc. is in fire
to gut	a fire ... a building: it completely destroys everything inside the building
to light a fire	to start a small fire (to cook on it or to provide heat for a room)
to rage	to burn intensely and be out of control
to scorch	when the surface of sth burns - without catching fire - so that a black mark is left behind
to set a fire to sth	to deliberately start a fire in order to damage or destroy sth
to smoulder	to be burning but with no flames
to be ablaze with light	a lot of light is coming from it
in broad daylight	in the middle of the day
to be dazzled	to be unable to see because a bright light is shining
to dim	to make a light less bright
to give off light	to produce light
the glare of	the very bright and unpleasant light of
to gleam	to shine brightly, especially in the sun
to glimmer	to produce a weak, unsteady light
to glisten	sth shines usually because it is wet
the gloom	the darkness
to glow	to shine with a very soft, warm red light
to be plunged into darkness	to suddenly become very dark
to burn yourself out	to work so hard over a period of time that you become to ill or to tired to work any more
to come to light	to become known
that’s daylight robbery	that’s ridiculously expensive
to be dazzled	to be very impressed
to have a fiery temper	to get angry very quickly
to flare out	(for violence) to suddenly start
flashy	expensive and showy
to get on like a house on fire	to really like each other
a glowing report	that is full of price
a glimmer of hope	a little bit of hope
sb’s face lights up	sb’s face suddenly shows that they are very happy or excited
a shot in the dark	a complete guess based on absolutely no information at all
to spark off	to cause sth to happen