probe (v.)
探查，调查
例句：
The police probed into the causes of the crime.
警方仔细调查了犯罪的原因。
pop the question
求婚
例句：
After the dance party, he popped the question.
舞会过后，他提出求婚。
Hold on a moment, please!
请稍等。
对话：
A: Hello! Could I speak to Mrs Smith, please?
B: Hold on a moment, please! ...I'm sorry she's out right now. What can I do for you?
A：喂！请史密斯太太接电话好吗？
B：请稍等。她刚好出去了，您有什么事吗？