2 sentences for 追赶 (zhuī​gǎn — catch up)

1. 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

2. 我们要努力学习，追赶世界先进水平。

   wǒ​men yào nǔ​lì xué​xí, zhuī​gǎn shì​jiè xiān​jìn shuǐ​píng.

   We must study hard to catch up with advanced world standards.

   Source: Dong Chinese Dictionary