độ khó has 2 syllables: độ: nặng (low, short, glottalized) · khó: sắc (high rising). You can also listen to it on this page in both Northern and Southern accents.
How common is độ khó in Vietnamese?
độ khó is among the 8,000 most-used Vietnamese words, CEFR level A2.
How is độ khó used in a sentence?
For example: Bài toán này có độ khó lớn. (This question is very difficult.); Họ đã giảm độ khó của kỳ thi. (They lowered the difficulty of the exam.).
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