break new/fresh ground

1. 开辟新天地

The scientist broke new ground in his book about rare animals.

这位科学家在他那本有关珍稀动物的著作中有独创见解。

common ground

1. 共同点

Bob and Frank don't like each other because they have no common ground.

鲍勃跟弗兰克互不喜欢对方, 他俩毫无共同之处。

cut the ground from under sb's feet

1. 先发制人地挫败某人的计划

Paul wanted to be captain but we cut the ground from under his feet by saying that Henry was the best palyer on the team.

保罗想当队长, 但我们先发制人, 说亨利才是最好的队员。

give/lose ground

1. 退却

Although they were outnumbered by the enemy, the men refused to give ground.

尽管他们与敌军力量悬殊, 战士们却谁也不肯退却。

on (the) ground(s) of

1. 以……为理由

He was dismissed on the grounds of negligence.

他因渎职而遭解雇。