HSK 4
肯定
kěndìng动形副
to be certain; to be positive; assuredly; definitely; to give recognition; to affirm; affirmative (answer)
他这么努力肯定能成功。
Tā zhè me nǔ lì kěn dìng néng chéng gōng.
He works so hard that he will definitely succeed.
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New in the HSK 3.0 word list at level 4.