1.at random 随意地，任意地
例句：
The travellers at the airport were searched at random.
搜查人员对机场上的旅客随便选几个加以搜查。
2.at any rate 无论如何，至少
例句：
At any rate the task must be fulfilled.
无论如何，任务总得完成。
3.by reason of 由于
例句：
By reason of his youth the boy escape punishment.
由于年轻，这孩子得免处罚。
4.as regards 关于，至于
例句：
He regards the situation as very serious.
他把形势看得很严重。
5.with/in regard to 对于，就……而论
例句：
In regard to his suggestions we shall discuss them fully
关於他的建议,我们将充分地讨论