6 sentences

1. 你居然有胆子背叛我！

   nǐ jū​rán yǒu dǎn​zi bèi​pàn wǒ!

   You had the nerve to betray me!

   Source: OpenSubtitles

2. 大家都笑他胆子小。

   dà​jiā dōu xiào tā dǎn​zi xiǎo.

   Everyone laughed at him for being cowardly.

   Source: Dong Chinese Dictionary

3. 小样，几天不见，胆子变大了啊！

   xiǎo​yàng, jǐ tiān bù jiàn, dǎn​zi biàn dà le a!

   You punk, you've gotten bolder since I last saw you!

   Source: Dong Chinese Dictionary

4. 你没那个胆子！

   nǐ méi nà​ge dǎn​zi!

   You don't have the guts!

   Source: OpenSubtitles

5. 别看他长得壮，其实胆子特别熊。

   bié kàn tā zhǎng de zhuàng, qí​shí dǎn​zi tè​bié xióng.

   Despite his strong build, he is actually quite a coward.

   Source: Dong Chinese Dictionary

6. 他的胆子很大，敢一个人在黑夜里走山路。

   tā de dǎn​zi hěn dà, gǎn yī gè rén zài hēi​yè lǐ zǒu shān​lù.

   He is very brave and dares to walk mountain paths alone at night.

   Source: Dong Chinese Dictionary