certainly

certainly
adverb
  1. [sentence adverb]used to convey the speaker's belief that what is said is true
    无疑;确定地(用以表示说话者相信所言属实)
    the prestigious address certainly adds to the firm's appeal.
    这个久负盛名的地址肯定会增强公司的吸引力。
    ■used to indicate that a statement is made as a concession or contrasted with another
    没错,的确,确实(如此),无可否认(用于表示让步或表示某一说法是另一说法的对照)
    our current revenues are certainly lower than anticipated.
    我们现在的收益的确比预期的少。
    ■used to express complete agreement with some-thing that has just been said
    确实如此(用于表示完全同意对方刚说过的话)
    ‘A good idea,’ she agreed. ‘Certainly!’.
    “好主意,”她同意道,“确实如此!”。
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