bấy lâu
Details
2 senses
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A period of time extending from the past up until the current moment being discussed.
vi Họ đã sống ở đây bấy lâu.
en They have lived here for a long time.
Starting from a specific point in time in the past and continuing until now.
vi Kể từ bấy lâu, anh ấy không quay lại.
en Since then, he has not returned.