5 sentences

1. 早点出发吧，免得堵车。

   zǎo​diǎn chū​fā ba, miǎn​de dǔ​chē.

   Let's leave early to avoid the traffic.

   Source: Dong Chinese Dictionary

2. 晚上睡觉要盖好被子，免得着凉。

   wǎn​shang shuì​jiào yào gài hǎo bèi​zi, miǎn​de zháo​liáng.

   Cover yourself well with a quilt at night to avoid catching a cold.

   Source: Dong Chinese Dictionary

3. 别在背后议论别人，免得招惹口舌。

   bié zài bèi​hòu yì​lùn bié​ren, miǎn​de zhāo​rě kǒu​shé.

   Don't gossip about others behind their backs to avoid trouble.

   Source: Dong Chinese Dictionary

4. 咱们还是快出去吧，免得那东西咬人。

   zán​men hái​shi kuài chū​qù ba, miǎn​de nà dōng​xi yǎo rén.

   Let's get out of here before that thing bites somebody.

   Source: OpenSubtitles

5. 有问题就要趁早解决，免得以后麻烦。

   yǒu wèn​tí jiù yào chèn​zǎo jiě​jué, miǎn​de yǐ​hòu má​fan.

   Problems should be solved early to avoid trouble later.

   Source: Dong Chinese Dictionary