| 释义 |
be like/as safe as Fort Knox - (of a building) to be strongly built, often with many locks, strong doors, guards, etc., so that it is difficult for people to enter and the things kept there are safe坚固且戒备森严;固若金汤
- This home of yours is like Fort Knox.你这所房子可以说是固若金汤。
See also fort-knox |