Word: 热线 (rèxiàn) Traditional: 熱線 热线 dictionary entry rèxiàn hotline (communications link) Full dictionary entry for 热线 Example sentences using 热线 2 sentences, showing page 1 of 1. 你知道医院的热线号码吗？ Nǐ zhīdào yīyuàn de rèxiàn hàomǎ ma? Do you know the hospital's hotline number? 有问题可以打服务热线。 Yǒu wèntí kěyǐ dǎ fúwù rèxiàn. If you have a problem, you can call the service hotline.