◎ 知足 zhīzú[be content with one’s lot] 知道满足,满足于已经得到的知足常乐-----------------国语辞典：知道满足、安于现状。《文选．曹植．责躬诗》：「危躯授命，知足免戾。」《三国演义．第六○回》：「东吴据六郡八十一州，民强国富，犹且不知足耶？」近满足反不满,贪婪,贪心,无餍英语 content with one's situation, to know contentment (hence happiness)德语 genügsam sein (S)法语 se contenter de, être satisfait
◎ 知人善任 zhīrén-shànrèn[to use a man according to his ability] 熟知各人的能力,分别委以胜任的职务-----------------国语辞典：能识别、拔擢人才，并能依据其专长而加以任用使能发挥所长。明．沈采《千金记．第一七出》：「军师，你知人善任，何必大谦。」英语 expert at appointing people according to their abilities (idiom), to put the right people in the right places
了解儿子的无过于父亲。 -----------------国语辞典：能了解、深知儿子的，莫过于他的父亲。《管子．大匡》：「知子莫若父，知臣莫若君。」《三国演义．第二八回》：「此子果然不肖，适才老翁所言，真知子莫若父也。」英语 nobody understands one's son better than his father (idiom)