如饥似渴 like hungry and thirsty
Explanation
形容极其渴望，迫切地想要得到某种东西，像饥饿的人渴望食物，口渴的人渴望水一样。
Describes an extremely strong desire for something, as urgent as a hungry person's desire for food or a thirsty person's desire for water.
Origin Story
话说三国时期，曹操原本属意曹植为太子，这引起了长子曹丕的嫉妒。曹丕继位后，多次迫害曹植，三次迁徙他的封地。公元223年，曹丕召曹植、曹彰、曹彪兄弟三人进京朝见。曹植因故未能成行，便上表请罪，言辞恳切地说：‘迟奉圣颜，如饥似渴。’可见曹植对能够见到兄长曹丕是多么的渴望，如同饥饿的人渴望食物，口渴的人渴望饮水一样。这则故事不仅展现了曹植对兄长的敬重，同时也生动地体现了“如饥似渴”的含义。
During the Three Kingdoms period, Cao Cao originally intended to make Cao Zhi the crown prince, which aroused the jealousy of his eldest son, Cao Pi. After Cao Pi succeeded to the throne, he persecuted Cao Zhi many times and moved his residence three times. In 223 AD, Cao Pi summoned Cao Zhi, Cao Zhang, and Cao Biao, his brothers, to the capital for an audience. Because of various reasons, Cao Zhi was unable to attend, so he sent a letter to apologize and said with earnest words, “I have long waited for your enlightenment, and I am as eager as a hungry person for food or a thirsty person for water.” This shows how much Cao Zhi longed to see his brother Cao Pi, just like a hungry person longs for food or a thirsty person longs for water. This story not only shows Cao Zhi's respect for his brother but also vividly illustrates the meaning of “rú jī sì kě”.
Usage
用于形容对某种事物迫切的渴望，就像饥饿的人渴望食物，口渴的人渴望水一样。多用于书面语。
Used to describe a strong desire for something, as urgent as a hungry person's desire for food or a thirsty person's desire for water. Mostly used in written language.
Examples
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他学习非常刻苦，如饥似渴地汲取知识。
ta xuexi feichang keku, ru jisi ke di jiqu zhishi
He studies very hard and absorbs knowledge like a sponge.
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他对新技术的学习如饥似渴，每天都坚持学习到深夜。
tade dui xin jishu de xuexi ru jisi ke, meitian dou jianchi xuexi dao shenye
He was eager to learn new technologies and studied every day until late at night.