Most people were forced to work longer hours each week, and to 'add insult to injury', the company decided not to give pay raises.
If you keep on lifting those heavy weights, you'll 'do yourself an injury'.
an athlete who is 'injury-prone' [=an athlete who is frequently injured]
(..) Words are, in my not so humble opinion... ... are most inexhaustible source of magic. Capable of inflicting injury and remedies. But I would in this case... ... amend my original statement to this: Help, will always be given at Hogwarts, (..)2011 Harry Potter and the Deathly Hallows: Part 2