陌生人

nà ge mò shēng rén huī wǔ zhe shuāng bì

那个陌生人挥舞着双臂。

The stranger waves his arms around.

duì yú wǎng zhàn shang de mò shēng rén yào zuò hǎo bèi jǐng diào chá huò zhě zhí jiē zhǎo rèn shi de rén hé zū

对于网站上的陌生人要做好背景调查，或者直接找认识的人合租。

Do a background check on strangers on the site, or find someone you know to share an apartment with.