5 sentences

1. 他身材矮小，打篮球比较吃亏。

   tā shēn​cái ǎi​xiǎo, dǎ lán​qiú bǐ​jiào chī​kuī.

   Being short, he is at a disadvantage when playing basketball.

   Source: Dong Chinese Dictionary

2. 你不会吃亏的。

   nǐ bù huì chī​kuī de.

   You won't lose out.

   Source: OpenSubtitles

3. 他宁可自己吃亏，也不愿让朋友受损失。

   tā nìng​kě zì​jǐ chī​kuī, yě bù yuàn ràng péng​you shòu sǔn​shī.

   He would rather suffer a loss himself than let his friend suffer one.

   Source: Dong Chinese Dictionary

4. 要是不懂其中的门槛，买东西很容易吃亏。

   yào​shi bù dǒng qí​zhōng de mén​kǎn, mǎi dōng​xi hěn róng​yì chī​kuī.

   If you don't know the ropes, it's easy to get ripped off when buying things.

   Source: Dong Chinese Dictionary

5. 这孩子挺聪明，就是吃亏在不肯用功。

   zhèi hái​zi tǐng cōng​ming, jiù shì chī​kuī zài bù kěn yòng​gōng.

   The child is quite smart, but his drawback is that he won't work hard.

   Source: Dong Chinese Dictionary