1. for the sake of 为了……起见
For the sake of convenience we shall work with the space.
为了方便起见，我们将利用空间。
2. occur to 被想到
Did it occur to you to close the window?
你有没有想到关窗户?
3.be disturbed at 对……烦恼
She had lived too long among people who dissembled politely not to feel disturbed at hearing her own thoughts put into words.
因为一般人在听到别人说出他们自己的心思时，总是委婉地掩饰着并不惊慌的感觉，而她在这些人中生活是太久了，怎能不受影响呢？
4. go through 参加；经受；仔细检查；被通过
He is willing to go through the mill.
他愿接受磨炼。