(adj.) physically secure or dependable; 'a sure footing'; 'was on sure ground' .
(adj.) certain not to fail; 'a sure hand on the throttle' .
(adj.) infallible or unfailing; 'a sure (or true) sign of one's commitment' .
(adj.) (of persons) worthy of trust or confidence; 'a sure (or trusted) friend' .
雨果录入
整理:李奥娜