tín hiệu has 2 syllables: tín: sắc (high rising) · hiệu: nặng (low, short, glottalized). You can also listen to it on this page in both Northern and Southern accents.
How common is tín hiệu in Vietnamese?
tín hiệu is among the 2,000 most-used Vietnamese words, CEFR level A1.
How is tín hiệu used in a sentence?
For example: Tôi không nhận được tín hiệu điện thoại. (I can't get a phone signal.); Đèn đỏ là tín hiệu dừng lại. (A red light is a signal to stop.).
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