2 sentences

1. 他胆小怕事，不敢承担责任。

   tā dǎn​xiǎo pà​shì, bù gǎn chéng​dān zé​rèn.

   He is timid and overcautious, afraid to take any responsibility.

   Source: Dong Chinese Dictionary

2. 别看他长得高大，其实是个胆小的脓包。

   bié kàn tā zhǎng de gāo​dà, qí​shí shì gè dǎn​xiǎo de nóng​bāo.

   Despite his tall stature, he is actually a cowardly wimp.

   Source: Dong Chinese Dictionary