胆小如鼠

tā biǎo miàn shang qì zhuàng rú niú shí jì shang dǎn xiǎo rú shǔ

他表面上气壮如牛，实际上胆小如鼠。

He is outwardly fierce as a bull, but inwardly timid as a mouse.

zài chǔ lǐ gōng zhòng shì wù shang tā yī rán dǎn xiǎo rú shǔ

在处理公众事务上，他依然胆小如鼠。

He remained a mouse in solving public affairs.

tā men liǎng rén dōu dǎn xiǎo rú shǔ wú fǎ wán chéng tiǎo zhàn

他们两人都胆小如鼠，无法完成挑战。

Both of them were too timid to complete the challenge.

tā zài dí rén miàn qián dǎn xiǎo rú shǔ

他在敌人面前胆小如鼠。

He showed his cowardice in face of the enemy.