2 sentences

1. 拯救生命不叫懦弱。

   zhěng​jiù shēng​mìng bù jiào nuò​ruò.

   It's not cowardly to save a life.

   Source: OpenSubtitles

2. 他在困难面前表现得很懦弱。

   tā zài kùn​nan miàn​qián biǎo​xiàn de hěn nuò​ruò.

   He behaved very weakly in the face of difficulties.

   Source: Dong Chinese Dictionary