certain
英 ['sɜːt(ə)n; -tɪn]
美['sɝtn]
	    - adj. 某一;必然的;确信;无疑的;有把握的
 - pron. 某些;某几个
 - n. (Certain)人名;(葡)塞尔塔因;(法)塞尔坦
 
英英释意
- 1. definite but not specified or identified;
 - "set aside a certain sum each week"
 - "to a certain degree"
 - "certain breeds do not make good pets"
 - "certain members have not paid their dues"
 - "a certain popular teacher"
 - "a certain Mrs. Jones"
 
- 2. having or feeling no doubt or uncertainty; confident and assured;
 - "felt certain of success"
 - "was sure (or certain) she had seen it"
 - "was very sure in his beliefs"
 - "sure of her friends"
 
- 3. established beyond doubt or question; definitely known;
 - "what is certain is that every effect must have a cause"
 - "it is certain that they were on the bus"
 - "his fate is certain"
 - "the date for the invasion is certain"
 
- 4. certain to occur; destined or inevitable;
 - "he was certain to fail"
 - "his fate is certain"
 - "In this life nothing is certain but death and taxes"- Benjamin Franklin
 - "he faced certain death"
 - "sudden but sure regret"
 - "he is sure to win"
 
- 5. established irrevocably;
 - "his fate is sealed"
 
- 6. capable of being depended on;
 - "a quick and certain remedy"
 - "a sure way to distinguish the two"
 - "wood dust is a sure sign of termites"
 
- 7. exercising or taking care great enough to bring assurance;
 - "be certain to disconnect the iron when you are through"
 - "be sure to lock the doors"