chắc chắn has 2 syllables: chắc: sắc (high rising) · chắn: sắc (high rising). You can also listen to it on this page in both Northern and Southern accents.
How common is chắc chắn in Vietnamese?
chắc chắn is among the 500 most-used Vietnamese words, CEFR level A1.
How is chắc chắn used in a sentence?
For example: Tôi chắc chắn sẽ làm được. (I am certain I can do it.); Cô ấy chắc chắn biết chuyện này. (She is certain to know about this.).
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