finish off, wrap up

I finish off the work.

私は仕事を仕上げます

I finish off the important work.

私は重要な仕事を仕上げます

I finish off the important work before the meeting.

私は重要な仕事を会議の前に仕上げます

I finish off the important work with my coworker before the meeting.

私は重要な仕事を会議の前に同僚と仕上げます

I finish off the important work with my coworker in the office before the meeting.

私は重要な仕事を会議の前に同僚と事務所で仕上げます