Word: 课题 (kètí) Traditional: 課題 课题 dictionary entry kètí task; problem; issue Full dictionary entry for 课题 Example sentences using 课题 2 sentences, showing page 1 of 1. 养老是社会的一个大课题。 Yǎnglǎo shì shèhuì de yí gè dà kètí. Caring for the elderly is a big problem for society. 环境保护是大家都关心的课题。 Huánjìngbǎohù shì dàjiā dōu guānxīn de kètí. Environmental protection is an issue everyone cares about.