when misfortune reaches its limit, when prosperity comes ☊ 
bĩ cực thái lai ☊ (1) poverty; poor, needy, destitute (2) only when one cannot help it, only as a last resort ☊
bần cùng ☊ time when it begins to dawn ☊ canh tà ☊ plough (the land) when it is overflowed ☊ cày dầm ☊ there was a time when ~ ☊ có một dạo ☊ in childhood, when one was a child ☊ hồi còn trẻ ☊ when needed, when necessary ☊ khi cần thiết ☊ while, when working in ☊ khi hoạt động tại ☊ when fortune smiles upon you, when you are favored by fortune ☊ khi nên ☊ when that happens, when that occurs, then ☊ khi đó ☊ a liar is not believed when he speaks the truth ☊ một sự bất tín, vạn sự không tin ☊ except for the time (when), when not (doing sth) ☊ ngoài giờ ☊ to act up, talk nonsense when drunk ☊ nát rượu ☊ to use slang when speaking ☊ nói lái ☊ the time when a child was born till the end of that year ☊ tuổi mụ ☊ since when one was small, since childhood ☊ từ nhỏ tới lớn ☊ from the time when one was still a student ☊ từ thuở còn đi học ☊ meet (someone when he arrives) and see him off (when he leaves) ☊ đón đưa ☊ to cross one’s bridges when one comes to ☊ đến đâu hay đó ☊ only when the hand is injured, does one ☊ đứt tay hay thuốc ☊