You wear out iron shoes in hunting round when all the time it's easy to be found find sth by chance after travelling far and wide in search of it You can wear out iron shoes in fruitless searching and yet by a lucky chance you may find the lost thing without even looking for it find sth accidentally after tracking miles in vain for it
英语词典收录了最新的汉英词典和英汉词典，总共有200多万个词条，词库仍在不断更新中。