(excruciating/Nagging pain)-(full/miraculous recovery)
(internal/massive bleeding)-(contagious/mysterious disease)
(on-the-spot/outpatient treatment)-(lighting/automatic reflexes)
(rigorous/annual test)-(sport/nasty injury)
(be over the hill)-(be given a clean bill of health)
(be black and blue)-(be fit as a fiddle)-(have butterflies in one´s stomach)
(kick up one´s heels)-(scare the life out of someone)
(be of sound mind and body)-(have nerves of steel)-(keep a stiff upper lip)
(hold= up, on, out, off, back)-(clear= up, out, away)
(under=age, pressure, suspicion, circumstances, normal conditions)
(be the teacher´s pet)-(mind one´s ps and qs)-(learn s/thing by heart)
(be as easy as 1,2,3)-(be of the old school)-(make the grade)
(know s/thing like the
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