走之前，请检查一下免得忘了东西。

Zǒu zhīqián, qǐng jiǎnchá yīxià miǎnde wàng le dōngxi.

Before leaving, please check so as not to forget anything.

多喝水免得中暑。

Duō hē shuǐ miǎnde zhòngshǔ.

Drink more water to avoid heatstroke.

多备些食物免得饿着肚子。

Duō bèi xiē shíwù miǎnde èzhe dùzi.

Prepare more food to avoid going hungry.