己: Ⅰ代词(自己) oneself; one's own; personal 短语和例子坚持己见 stand to one's assert; hold on to one's own views; 舍己为公 make personal sacrifices for the public good; 引为己任 regard as one's (own) duty; 各抒己见。
知: Ⅰ动词1.(知道) know; realize; be aware of 短语和例子强不知以为知 pretend to know what one doesn't know; 无所不知 know everything; omniscient; 知其然并力求知其所以然 know the how and endeavour to know the why; 若要人不知; 除非己