1. paddock
They lost their paddock for the deficiency of money.
2. outstrip
His puppy is so happy that it always outstrip his bicycle when they go out.
3. gloat
Some people like to gloat when they know other people are trapped.
summary:
The boys went to a hidden paddock owned by Weasleys to pratice Quidditch. Ron said his intelligent brother Percy was abnormally busy on something. And when they mentioned that they had to spend much money on new term's stuffs, Harry felt sorry because his was not rich enough to help them.