13 - I can talk about health

• you're not your usual/normal self = you're not looking or behaving as you usually do
• off-colour = looking or feeling ill
• fell/look like death warmed up=feel or look very ill or tired
• throw up = vomit, be sick
• keel over = fall over, especially when you feel ill
• pass out = faint, lose consciousness for a short time
• wear off = gradually disappear or stop
• come/go down with sth = get one of the common illnesses
• go round = spread from person to person
• pick sth up = catch an infectious illness
• take things/it easy = relax and avoid working hard or doing too much
• on the mend = getting better after an illness or injury
• take a turn for the worse/better = suddenly become worse/better
• go downhill = get worse in health, quality, etc.
• it is touch-and-go (whether) = it's very uncertain whether sth will happen or not
• pull through (sth) = get better after a life-threatening illness or operation
• feel/be out of sorts = feel/be ill or bad-tempered
• swell up = become bigger in size
• come out in sth = become covered in spots or a rash
• go away = disappear
• check sth out = find out if sth is safe, correct or acceptable