鞠 ㄐㄩ jū 躬 ㄍㄨㄥ gōng 尽 ㄐㄧㄣ ˋ jìn 瘁 ㄘㄨㄟ ˋ cuì 鞠 ㄐㄩ jū 躬 ㄍㄨㄥ gōng 盡 ㄐㄧㄣ ˋ jìn 瘁 ㄘㄨㄟ ˋ cuì to bend to a task and spare no effort (idiom); striving to the utmost