tíng / diàn / hòu / lóu / dào / lǐ / shēn / shǒu / bù / jiàn / wǔ / zhǐ / dà / jiā / zhǐ / hǎo / dǎ / kāi / shǒu / jī / zhào / míng

停电后，楼道里伸手不见五指，大家只好打开手机照明。

After the power went out, the hallway was pitch-dark, so everyone had to use their phones for light.