crank out
to produce something at a large amount，like a machine does（informal）.
crank up
to increase the intensity of something.
bite the bullet
to force youself to do something difficult or unpleasant，or to be brave in a difficult situation.
eg: I hate to go to the dentist, but I’ll just have to bite the bullet.
put someone on the spot
If you put someone on the spot, you cause them embarrassment or difficulty by forcing them at the moment to answer a diffcult question or make a important decision.
eg :My boss put me on the spot during the meeting by asking for an update on a project I hadn’t finished yet.