I must conclude, for I cannot be long from my poor mother.

我不得不停笔了，因为我不能离开母亲太久。

youdao

Oh, friend, call back, and tell me for I cannot see your face

朋友啊,回头喊一声,因为我看不清你的脸；

youdao

I cannot for the life of me imagine why they want to leave.

我怎么也想象不出他们为什么要走。

《牛津词典》

"Astronauts who are accustomed to views that you and I cannot really describe were moved to tears when they looked out the windows of the cupola for the first time tonight."

VOA: standard.2010.02.18

Where am I to get meat to give to all this people, when they whine before me and say, 'Give us meat to eat!' I cannot carry all this people by myself, for it is too much for me.

我从哪里得到肉给他们吃呢？,当他们都在我面前哭号，‘给我肉吃’,我无法独自管理这些人，这负担对我来说太沉重了。

耶鲁公开课 - 旧约导论课程节选

This one here, I cannot do anything for you.

所以，我帮不了你们什么忙。

麻省理工公开课 - 固态化学导论课程节选

"It was difficult to say no to the big project at Manchester City - but the team have not been taken over yet and for me I cannot wait for one week more, " said Ranieri.

BBC: Man City move closer to takeover

Now, for reasons I cannot fathom, the Baltimore Sun has given him a huge billboard to ask for his license back so he can resume his discredited Lupron protocol.

FORBES: The 'Baltimore Sun' Sinks Deep Into Anti-Vaccination Quicksand

For reasons I cannot understand, the ISO-NE is trying to limit participation in DR programs to consumers who curtail consumption.

FORBES: Danger: Grid Operator Threatens Economic Growth, Clean Energy