This is the 6072nd most frequent Chinese word.
对联
A pair of poetic couplets written vertically, often displayed during celebrations or as decorations.
In this sentence, '对联' refers to decorative couplets traditionally placed on doors during the Spring Festival.
春节的时候,我们门上贴了红色的对联。
During the Spring Festival, we pasted red couplets on our doors.
Here, '对联' describes the couplets themselves, focusing on their textual and artistic qualities.
他写了一副对联,字迹非常漂亮。
He wrote a pair of couplets, and the calligraphy is beautifully done.
In this usage, '对联' is used in a more abstract sense, explaining its cultural purpose and significance.