on the grounds that:以……为理由;基于……的原因(用于说明某个决定、拒绝、指控等的依据,语气较正式)。也可理解为“因为……”。
/ɒn ðə ɡraʊndz ðæt/(英式常见)
/ɑːn ðə ɡraʊndz ðæt/(美式常见)
They refused the request on the grounds that it was too expensive.
他们以费用太高为由拒绝了该请求。
The court dismissed the case on the grounds that the evidence had been obtained illegally, which made it unreliable.
法院以证据系非法取得、因此不可靠为由驳回了该案。
grounds 原意是“地面、土地”,引申为“立足点、依据”。短语 on the grounds that 字面意思是“站在……的依据之上”,因此用于表达“以……为理由/根据”。