670. be surprised at对..惊奇;take…by surprise使…惊奇; to one’s surprise使某人惊奇

669. make sure about 弄清, 弄确实

668. for sure / certain (certainly, definitely) 肯定地.有把握地说

667. be sure of (=have no doubt; certain)确信的

666. in support of 以便支持

665. superior to 优于…, 比…好

664. supply sb. with sth 向某人提供某物

663. in sum 大体上, 总之

662. be suitable for (=fit) 合适…的

661. suffer from 患…病; 受…苦痛