灯笼 (dēnglong) means "lantern," referring to the traditional decorative light commonly seen during Chinese festivals. Red lanterns in particular are a symbol of good fortune and celebration in Chinese culture. They are especially prominent during the Lantern Festival and Spring Festival.
街上挂满了红色的灯笼,特别好看。
Jiē shàng guà mǎn le hóngsè de dēnglóng, tèbié hǎokàn.
The street is decorated with red lanterns everywhere, and it looks especially beautiful.
奶奶教我做了一个纸灯笼。
Nǎinai jiāo wǒ zuò le yī gè zhǐ dēnglóng.
Grandma taught me how to make a paper lantern.
每到春节,家家户户都会挂灯笼。
Měi dào Chūnjié, jiājiāhùhù dōu huì guà dēnglóng.
Every Spring Festival, every household hangs up lanterns.