3 sentences

1. 他很诚实，但缺点是性格太急躁。

   tā hěn chéng​shí, dàn quē​diǎn shì xìng​gé tài jí​zào.

   He is very honest, but his weakness is that he's too impatient.

   Source: Dong Chinese Dictionary

2. 他性格急躁，经常为了一点小事就发脾气。

   tā xìng​gé jí​zào, jīng​cháng wèi​le yī​diǎn xiǎo​shì jiù fā pí​qi.

   He has an irritable temperament and often loses his temper over small things.

   Source: Dong Chinese Dictionary

3. 处理这些精细的工作时，你千万不能急躁。

   chǔ​lǐ zhè​xiē jīng​xì de gōng​zuò shí, nǐ qiān​wàn bù néng jí​zào.

   You must not be impatient when dealing with such delicate work.

   Source: Dong Chinese Dictionary