think up

发明；设计出

think, think about sth., think ahead (to sth), think back (to sth), think better of, think for oneself, think nothing of, think of, think of ...as, think of sth/doing sth, think of...as, think oneself as, think out, think over, think sth out, think sth over, think sth through, think sth up, think through, think twice, think-tank, thinkable, thinker, thinking, thinking-cap, thinly, thinner, thinness, third, third degree, third degree burn, third party, third-party insurance, third-rate, thirdly, thirst, thirstily, thirsty, thirteen, thirteenth,