1. 知道...的确切数目:keep at 不息地做 |keepcountof 知道. . . 的确切数目 |keep out 抵御
2. 数数目:keep company with 结交 |keepcountof 数数目 |keep down 控制
3. 计数,统计总数:keep clearof%[]%避开% |keepcountof%[]%计数,统计总数% |keep doing sth.%[]%继续做某事%
4. 计数,数得清:Keep the room clearof these flies? 把这些苍蝇从屋中赶走. |keepcountof计数,数得清: | We can'tkeepcountof stars in the sky. 我们数不清天上的星星.