To make the situation worse.
I missed your answer! Yes, adding fuel to the fire/flames is indeed to make a bad situation worse.
Wonderful! No idea what it could mean.
I'm surprised, I thought it would be easy!
To make someone feel unwanted/unwelcomed?
Yes :) To give someone the cold shoulder is to intentionally ignore or snub someone,or to be unfriendly towards them.
@ Ziemowit. I read a lot of Sherlock Holmes but it was a long time ago now. I admire your dedication to reading in English :)
to not sleep pears in the ash
To not neglect things that might be urgent? To always take advantage of opportunities?