fall by the wayside
失去兴趣、放弃或失败，不能坚持到底
书面/口语·形容中途放弃或失败
英文释义
to fail to continue or succeed in something
例句
Many students fall by the wayside during the first year of college.
典故来源
源自圣经寓言，种子落在路边被践踏，比喻因缺乏支持或毅力而中途放弃。