"Sherlock: A 《丑闻》 in Belgravia (#2.1)" (2012)
Mycroft Holmes: We are in Buckingham Palace, the very 心 of the British nation. Sherlock Holmes, put your trousers on!

Mycroft Holmes: This is a matter of national importance. Grow up!
Sherlock Holmes: [dressed only in a bedsheet, on which Mycroft is standing] Get off my sheet!
Mycroft Holmes: 或者 what?
Sherlock Holmes: 或者 I'll just walk away.
Mycroft Holmes: I'll let you!

Sherlock Holmes: Dominatrix...
Mycroft Holmes: Don't be alarmed. It's to do with sex.
Sherlock Holmes: Sex doesn't alarm me.
Mycroft Holmes: How would 你 know?

Mrs. Hudson: It's a...

Sherlock about Mycroft (in "The Adventure of the Bruce-Partington Plans"): "You are right in thinking that he under the British government. 你 would also be right in a sense if 你 说 that occasionally he IS the British government.
Mycroft draws four hundred and fifty pounds a year, remains a subordinate, has no ambitions of any kind, will receive neither honour nor title, but remains the most indispensable man in the country.
...His position is unique. He has made it for himself. There has never been anything like it before, nor will be again. He has the tidiest and most orderly brain, with...