be cornered / have no alternative but to / be driven to the wall / be forced to / be driven into a corner / be under pressure / be brought to bay / be at *one's wit's end / be in a pinch

bisect / bisection

break even / divide into halves / halve / go fifty-fifty / split in half / go halves on / cut in halves / share equally

halve / divide into halves

divide into two equal parts / split

divide *something into two equal parts / splitting equally / divide *something into two halves / splitting in half / divide into two equal parts / divide in two halves / halve / split in half / split equally / divide *something in two equal parts

preach

preaching / preach / sermon

preach / preach *someone a sermon

set up