[countable, usually plural] a good or true reason for saying, doing or believing sth充分的理由；根据◆You have no grounds for complaint.你没有理由抱怨。◆He retired from the job on health grounds.他由于健康原因退休。◆Employers cannot discriminate on grounds of age.雇主不得有年龄歧视。 ●drive/run/work sb/yourself into the ˈgroundto work sb/yourself so hard that they or you become extremely tired and unable to work把…弄得筋疲力尽；把…累垮●gain/make up ˈgroundto rise in value（价值）上升◆The yen has gained ground against the euro.日元兑欧元升值。to gradually become more powerful or successful in relation to a competitor赶超（竞争对手）◆The supermarket chain is determined to gain ground on its main rival.这家连锁超市决定赶超其主要竞争对手。●get (sth) off the ˈgroundto start happening successfully; to make sth start happening successfully（使）顺利开始，开始发生◆Without more money, the project is unlikely to get off the ground.没有更多的资金，这个项目不太可能顺利运作。◆to get a new company off the ground使新公司顺利开张●give/lose ˈground (to sb/sth)to allow sb to have an advantage; to lose an advantage for yourself退让；让步；失利◆They are not prepared to give ground on tax cuts.他们不准备在减税方面让步。◆The company has lost a lot of ground to its rival.这家公司大大失利于其竞争对手。●run/drive sth into the ˈgroundto use sth so much that it is broken or damaged耗尽某物；过度使用某物◆The country has been overtaxed and almost run into the ground.这个国家课税过重，几乎油枯灯尽。  ➡  idiom at break verb, break verb, hit verb, lose verb dumping ground