⇒ 昨晚下大雨,我只好寄宿朋友家。 (Zuówǎn xià dàyǔ, wǒ zhǐhǎo jìsù péngyou jiā.) With the heavy rain last night, I had no choice but to stay over at my friend's house.
(= 住校) board
⇒ 我所在的学校是一所寄宿学校。 (Wǒ suǒ zài de xuéxiào shì yī suǒ jìsù xuéxiào.) The school I attended was a boarding school.