ensure 如此担保你敢吗1

ensure
vt. 保证；担保；保护。如：
Please ensure that all the lights are turned off at night.
夜间请务必保证所有的灯都关掉。
Come early to ensure a good seat.
来早点以保证有个好座位。
[拓展]
ensure常与介词against, from连用，意为“保护……；使不受……”。如：
We should ensure ourselves against all possible dangers.
我们要保护自己，以防备任何可能的危险。
[小试] 翻译下列句子。
1. 为了保证自行车不被偷走，我安了一把新锁。
2. 如果你想确保赶上火车，就坐出租车吧。
Key: 1.To ensure that the bicycle would not be stolen, I fitted a new lock.
2. If you want to ensure that you can catch the train, take a taxi