So again I ask myself, why is it so difficult to install one of these seats?

所以我再一次问自己，为什么安装一个座椅如此困难？

youdao

Remember, as with dating, one interview process is never the same as the next, and you may have to trust your gut to know when the time is right to ask some of the more difficult questions.

记住，正如约会一样，两份工作的面试过程绝不会一模一样，但是，你要相信自己的直觉，在什么时候适当的提出更难的问题。

youdao

"We also owe it to every single one of them to ask the difficult questions about what we are doing in Afghanistan.

VOA: standard.2009.10.14