Tā / píngshí / dǎnxiǎo / rúshǔ / lián / yí / ge / rén / zǒu / yè / lù / dōu / bù / gǎn

他平时胆小如鼠，连一个人走夜路都不敢。

He is usually as timid as a mouse and does not even dare to walk alone at night.