天可能不会下雨，不过我还是带把伞吧，以防万一。

It may not rain, but I'd take an umbrella along, just in case it should rain.

youdao

你最好带把伞，以防下雨。带张地图，以防走失。

You'd better take an umbrella, in case it rains. Take a map in case you get lost.

youdao

你最好带把伞，以防下雨。带张地图，以防走失。

You'd better take an umbrella, in case it rains. Take a map in case you get lost.

youdao