lâu means "long" (adjective). long (in time); lasting a long time.
How is lâu pronounced?
You can listen to lâu on this page in both Northern and Southern Vietnamese accents.
How is lâu used in a sentence?
For example: Tôi đợi bạn lâu rồi. (I've been waiting for you for a long time.); Chúng ta không gặp nhau đã lâu. (We haven't seen each other for a long time.).
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