521. in the position of 处在…位置上

520. popular with/among大众所喜爱的,拥戴

519. point at (=indicate, direct attention)指着point out (=indicate, show) 指出,指明

518. to the point 中肯, 切题

517. there is no point in doing sth.没必要做某事

516. come to the point 谈主要问题

515. beside the point 不切正题,无关紧要

514. be on the point of doing sth. (=be about to do sth.) 刚要去做

513. take(a) pleasure in 喜欢做某事

512. in place of (=instead of) 代替