I'm paying lots of money for you, so you'd better do well.
我为你花了那么多钱,所以你要好好干。
A man becomes learned by asking questions.
要长学问,就得多问;多问则业精。
Then, her composure regained, she was ready to set off with the porter's assistance to search for nay intruders who might still be lurking in her flat.