求下列短语的意思:keep up/of/for/on；other than；rather than；drop in；come down；carry out

keep up: 保持,继续,维持
keep of短语不存在,有keep off:不接近,避开
keep for短语不存在
keep on: vt. 继续进行(接连,反复,继续)
other than: 不同于,除了
rather than: conj. 宁可...也不愿(与其...倒不如,而不是)
drop in: 顺便走访(某人)
come down: 降落(贬抑)
carry out: vt. 实行(执行,实现)

keep of没有

keep up 使不失落
keep off 让开
keep for 无此短语
keep on 坚持下去
other than 不同于
rather...than 宁...而不愿
drop in (on sb.)顺便走访(某人)
come down 下来,败落
carry out 完成, 实行