钻冰求火

Pinyin: zuān bīng qiú huǒ Usage: 连动式；作谓语、定语；含贬义 Explanation: 比喻徒劳无功。 Source: 宋·张君房《云笈七签》第102卷影离响绝，云销雾除，钻冰求火，探巢捕鱼，不足言其无也。” Thesaurus:  Knock the ice to fire, seek a hare in a hen's nest, draw water with a bamboo basket; all in vain, ask the way from a blind person, Dao in the blind, Making fire drill ice, Zuanhuodebing, Yuanshanqiuyu, Yuanmuxiyu Antonym Group:  very easily obtainable, acquire sth.easily, Hand to cite, be sure to succeed easily, as easy as taking sth. out of one's pocket, have full assurance to get go after an easy prey as one who catches a tuttle in a jar, go on [upon] the scamp