1. twinge

After he had been shot many years ago, he always felt the twinge on his wound.

2. sling

After he was knocked down in the severely accident, his arm has been in a sling till now.

3. immaculate

The woman is so hard-working that she always keep her home immaculate.

4. chap

The girl is too shy shy to accept that handsome chap's invitation.

5. disgruntled

Those children was disgruntled as they heard that the trip had been cancelled.

6. whiff

When the man passed by, all of us caught a whiff of smelly odour.

summary:

Harry, Ron and Hermione went to the Herbology class at the greenhouses. Their teacher Professor Sprout was wound for doctoring the Whomping Willow, which made Harry blame himself again. Professor LockHarry forced to talk to Harry ignoring Sprout's disagreement.