12 sentences

1. 落后就要挨打。

   luò​hòu jiù yào ái​dǎ.

   If you fall behind, you will be bullied.

   Source: Dong Chinese Dictionary

2. 虚心使人进步，骄傲使人落后。

   xū​xīn shǐ rén jìn​bù, jiāo'ào shǐ rén luò​hòu.

   Modesty helps one progress, while pride makes one fall behind.

   Source: Dong Chinese Dictionary

3. 我们应该抛弃这些落后的传统。

   wǒ​men yīng​gāi pāo​qì zhè​xiē luò​hòu de chuán​tǒng.

   We should discard these backward traditions.

   Source: Dong Chinese Dictionary

4. 落后的生产方式正逐渐被淘汰。

   luò​hòu de shēng​chǎn fāng​shì zhèng zhú​jiàn bèi táo​tài.

   Outdated production methods are gradually being phased out.

   Source: Dong Chinese Dictionary

5. 这个地区的经济依然非常落后。

   zhè gè dì​qū de jīng​jì yī​rán fēi​cháng luò​hòu.

   The economy in this region is still very underdeveloped.

   Source: Dong Chinese Dictionary

6. 我们落后了。

   wǒ​men luò​hòu le.

   We're falling behind.

   Source: OpenSubtitles

7. 你落后了。

   nǐ luò​hòu le.

   You're falling behind.

   Source: OpenSubtitles

8. 他不甘落后，努力追赶前面的同学。

   tā bù​gān luò​hòu, nǔ​lì zhuī​gǎn qián​miàn de tóng​xué.

   Unwilling to be left behind, he worked hard to catch up with his classmates.

   Source: Dong Chinese Dictionary

9. 如果不努力，你就会落后于其他同学。

   rú​guǒ bù nǔ​lì, nǐ jiù huì luò​hòu yú qí​tā tóng​xué.

   If you don't work hard, you will fall behind your classmates.

   Source: Dong Chinese Dictionary

10. 落后的教育方式禁锢了学生的创造力。

    luò​hòu de jiào​yù fāng​shì jìn​gù le xué​sheng de chuàng​zào​lì.

    Outdated educational methods stifle students' creativity.

    Source: Dong Chinese Dictionary

11. 由于技术落后，这些深层矿床目前很难被开采。

    yóu​yú jì​shù luò​hòu, zhè​xiē shēn​céng kuàng​chuáng mù​qián hěn nán bèi kāi​cǎi.

    Due to outdated technology, these deep mineral deposits are currently difficult to extract.

    Source: Dong Chinese Dictionary

12. 政府正在采取措施，以加快落后地区的工业化进程。

    zhèng​fǔ zhèng​zài cǎi​qǔ cuò​shī, yǐ jiā​kuài luò​hòu dì​qū de gōng​yè​huà jìn​chéng.

    The government is taking measures to accelerate the industrialization of underdeveloped regions.

    Source: Dong Chinese Dictionary