157.以防万一

Just In Case 以防万一

　　A: Why are you bringing a map?

　　A： 你为什么要带地图？

　　B: I don't want to get lost on our hike¹.

　　B： 我不想在远足中迷路。

　　A: We won't. I have a GPS.

　　A： 我们不会。我有一个GPS。

　　B: There's not always signal² in the mountains.

　　B： 山里并不总是有信号。

　　A: Maps aren't as accurate³ as GPS.

　　A： 地图不如GPS精确。

　　B: We don't always have to use the map.

　　B： 我们不必总是使用地图。

　　A: Why bring it, then?

　　A： 那为什么要带呢？

　　B: Like I said, it's just a safety tool.

　　B： 就像我说的，这只是一个安全工具。

　　A: I think it's just more weight in your backpack.

　　A： 我想这只是你背包里的重量增加了。

　　B: Better safe than sorry.

　　B： 安全总比抱歉好。

　　A: I can't argue with that. Let's get going.

　　A： 我对此无法反驳。我们走吧。

　　B: Lead the way!

　　B： 带路！

1 hike   

n.徒步旅行，远足，涨价；v.健行，徒步旅行，使...高涨

参考例句：

• I don't care to go on a hike.我不喜欢徒步旅行。
• The children are choosing a hike in the country park.孩子们在选郊外公园的远足路线。

2 signal   

n.信号，暗号

参考例句：

• This is a signal failure.这是明显的失败。
• A train must not pass a signal that is at danger.火车切不可越过危险信号。

3 accurate   

adj.正确无误的；准确的，精确的

参考例句：

• He has made an accurate measurement of my garden.他准确地丈量了我的花园。
• He is always accurate in what he says and does.他说的和做的总是正确无误。