[be positive,be sure]∶有把握;無疑,有信心,有理由確信
[decide]∶確定
certainly,undoubtedly,definitely,surely] 毫無疑問;必定
否定:
[negate,negative]∶暗示兩個相互排斥的事物的壹方為另壹方所取消或廢除
[repudiate,deny,refute]∶拒絕承認
1. to negate, to deny, to overrule;,to controvert
2. negative 3. a negation, a denial