work out:解决；算出；实现；制定出；消耗完；弄懂n.
the activity of exerting your muscles in various ways to keep fit
v.
1.come up with
2.happen in a certain way,leading to,producing,or resulting in a certain outcome,often well
3.work out in detail
4.do physical exercise
5.be calculated
6.make a mathematical calculation or computation
7.find the solution to (a problem or question) or understand the meaning of
8.give a workout to
figure out :解决；算出；想出；理解；断定find the solution to (a problem or question) or understand the meaning of