1. 与(某人)保持友谊：keep sb down压制 | keep in with sb 与(某人)保持友谊 | keep off不接近
2. 与某人友好相处; 不断讨好：keep in 扣留; 抑制; 隐瞒; 使(火)不熄灭; 使维持(某种)状态 | keep in with sb. 与某人友好相处; 不断讨好 | keep indoors 呆在家里, 不外出
3. 与某人亲近：keep sth in 不表露,控制 | keep in with sb 与某人亲近 | keep in touch with 与...保持联系
4. 与某人友好相处：keep in mind记住,放在心上. | keep in with sb.与某人友好相处. | keep it up继续下去而不松弛