加油

come on; go for it; don't give up; fuel charging; make an extra effort; refuel; oil; cheer; lubricate; barrack; fuel up; gas up; cheer on; energize; pump it up; encourage; boost; spur on; keep it up; cheer up; keep going; fight on; hang in there; stick to it; keep at it; step on it; keep on trucking; hurray

可以

can; may; will; should; could; might; shall; be able to; OK; okay; able; right; acceptable; passable; satisfactory; safe; yes; ahead; surely; all right; able to; pretty good; not bad; by all means; I don't mind if I do