1.[搭配]verb + grounds
have 有理由:
The constable had reasonable grounds for arresting her.
警察有正当的理由逮捕她。
give (sb) 给（某人）理由以…:
His evasiveness gave grounds for the suspicion that he knew more than he was saying.
他含糊其词，让人有理由怀疑他没有把知道的都说出来。
[搭配]prep.
on ... ~s 由于…原因:
Permission to open a mine was denied on environmental grounds.
由于环境方面的原因，开矿被否决了。
on the ~s of 因为…原因:
He resigned from his post on the grounds of ill health.
他以身体不好为理由辞职了。
~ for 导致…的原因:
Drunkenness at work was sufficient grounds for instant dismissal.
工作时醉酒足可导致立即被开除。
2）翻译下面的句子：
因为英语不够好，他拒绝了邀请。
参考翻译：He turned down the invitation on the grounds that his English was not good enough. 或者 On the grounds of inadequate English, he declined the invitation.
3.情景 失职可以导致立即被开除
Professional misconduct was sufficient grounds for dismissal.
