Howard is teaching Sheldon Chinese*.
Howard: You know, I'm really glad you decided to learn Mandarin.
Sheldon: Why?
Howard: Once you're fluent, you'll have a billion more people to annoy instead of me.
霍华德:话说,你终于要学普通话了我还真高兴。
谢耳朵:为嘛?
霍华德:等你说顺溜了,有十多亿中国人民等着你去烦,你就不用来烦我了。