- 保证，担保，确保：
I cannot ensure his being on time.
我不能保证他会准时。
No one can ensure that he'll come.
没有人能保证他会来。
If you want to ensure that you catch the plane,take a taxi.
如果你想确保赶上航班，那就叫辆出租汽车。
- 保证获得；使(某人)获得，保证给予，赋予 (to，for)：
This letter will ensure you a hearing.
这封信准保你能获得申诉的机会。
The present contract cannot ensure you a job.
本合同不能保证你获得工作。
- 使肯定，使确实，确定：
measures to ensure the success of an undertaking
确保一项事业成功的措施
measures to ensure accuracy
保证准确的措施
- 使安全,保护 (against,from):
safety devices to ensure staff against accidents
保护全体雇员免出事故的安全设施
to ensure someone against (或from)danger
保护某人免受危险
- [废语] 使订婚；与…订婚
- [废语] 明确通知(某人) [亦作 insure]