If I'm in a good mood, I'd play my Er hu, though I'm not very good at it I do enjoy it.
心情好的時候，我還會拉拉二胡，雖然水平不高，但我卻陶醉于其中。
I'm in such a good mood.
我的心情真的很不錯呢。
And I'm not in a good mood, so just walk away.
我現在沒好心情，所以趕緊閃開。
Sheldon: You know, I'm in such a good mood.
你知道嗎，我心情如此之好。
Dude, why do you think I'm in such a good mood?
要不你說我心情怎么這么好？