từ khi means "since" (preposition). since (from a particular time in the past until now).
How is từ khi pronounced?
từ khi has 2 syllables: từ: huyền (low falling) · khi: ngang (level). You can also listen to it on this page in both Northern and Southern accents.
How common is từ khi in Vietnamese?
từ khi is among the 1,000 most-used Vietnamese words, CEFR level A1.
How is từ khi used in a sentence?
For example: Tôi học tiếng Trung từ khi còn nhỏ. (I've been learning Chinese since I was a child.); Từ khi chuyển nhà, tôi bận hơn. (I've been busier since moving.).
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