● big-headed (adj) (informal)
having a very high opinion of how important and clever you are; too proud.
自大的、唱邱的、大頭症的 (for noun: big-head)
● hard-headed (adj)
determined and not allowing your emotions to affect your decisions.
堅持的、冷靜的、一板一眼的 (for noun: hard-head)
● bullheaded (adj)
unwilling to change your opinion about sth, in a way that others think is annoying and unreasonable. (for noun: bullheadedness)
● to fish in troubled waters (phrase)
to involve oneself in a difficult, confused, or dangerous situation, especially with a view to gaining an advantage.; what Chao-Hsi Gogo is doing right now.