要想人不知除非己莫为: if you don't want anybody to know it don't do it in the first place
欲: Ⅰ名词(欲望) desire; longing; wish 短语和例子名利欲 desire for fame and wealth; 求知欲 thirst for knowledge; 食欲 a desire for food; appetiteⅡ动词1.(想要; 希望) wish; want; desire 短语和例子畅所欲言 pour out all that one
形貌欲: the desire awakened on seeing a beautiful form one of the
欲天: the six heavens of desire or passion the kāmadhātu
