like: đã từ lâu
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Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
đã từ lâu * ☊ 
it had been a long time, it was a long time since * ☊
[ đã ] : (past tense marker); first; after, following
[ từ ] : from, since, of; to leave; to turn down; word, expression, vocabulary; temple guard; to renounce, give up
[ lâu ] : long (of time); to take a long time
[ từ ] : from
[ từ ] : since