2 sentences for 联 (lián)

1. 他在门口贴了一副春联。

   tā zài mén​kǒu tiē le yī fù chūn lián.

   He pasted a pair of Spring Festival couplets on the door.

   Source: Dong Chinese Dictionary

2. 我们要联起手来，共同应对未来的挑战。

   wǒ​men yào lián qǐ shǒu lái, gòng​tóng yìng​duì wèi​lái de tiǎo​zhàn.

   We must join hands to tackle future challenges together.

   Source: Dong Chinese Dictionary