动词:1.(使)保持某状态(或某地位)名词:不可数。生活费;(食物等)生活必需品短语:keep a straight face 绷着脸;忍不住笑;板起面孔。keep a tight rein on sb/sth(对某人、某事)严加约束。keep abreast of sth 及时了解(某事物)keep an eye on sb/sth 照料(某人、某物)keep an open mind 愿考虑别人的意见keep at sth 继续做keep (sb/sth) away (form sb/sth)不接近;远离keep count of sth 知道……的确切数目keep in with sb 与(某人)保持友谊keep it up 继续保持keep on (at sb)(about sth)叨唠……keeper 动物园饲养员keeping 保管;一致keepsake 纪念品