keep away from;keep back;keep body and soul together;keep doing;keep down;keep...from...;keep...going on;keep in;keep off;keep on doing;keep...out;keep out of...;keep to...;keep together;keep up;keep up with...
keep on doing sth 继续做某事 keep from doing sth 阻止某人做某事 keep out (使)留在外面;遮挡 keep sb doing sth 让某人一直干某事
keep sth do keep doing keep adj/adv