Dreams" is such a fun topic that I'm going to devote half a class to sleeping and dreams.

梦“是个很有意思的话题,我将会用半节课的时间来说说睡眠和梦。

耶鲁公开课 - 心理学导论课程节选

I have a five-hour sewing class which is really fun. I like it. It's really fun, so.

我有一堂需要持续5个小时的缝纫课，很有趣。我很喜欢。因为真的很有意思。

梦想成为时装设计师 - SpeakingMax英语口语达人

This class at the same time is about rigorous fun.

本课程同时是一种严格的乐趣。

哈佛公开课 - 幸福课课程节选

The idea is to make working out fun and gym class something to look forward to.

CNN: Digital health for kids, seniors and workout buffs

She had always dreaded going to physical education class, so she tried to offer fun options for women when she was in charge.

CNN: Weight losers combat fear of exercise, schoolyard torment

Peer learning and collaboration make going to class not only more effective but also more fun.

FORBES: Unishared: Revolution in Online Education Beyond Coursera, Edx, and Udacity