多长时间

在那儿住不了 多长时间

(晚上就回去睡个觉) ── Previous context

“We won't be in the room for much time.”

这 多长时间 了 还不来啊

(怎么不生气呀) ── Previous context

“It's been ages. He still hasn't come?”

不是 这都 多长时间 了

(爸 您别着急) ── Previous context

“How long has it been?”

都 多长时间 了 早分了

(刚夸完您脑子好使) ── Previous context

“It's been ages. We broke up long ago.”

多长时间 向国内运送一次

(信件到达你们这儿之後) ── Previous context

“how often is it shipped back to the homeland?”