WORD, PHRASE, OR SENTENCEsomething that someone says or writes quickly, without thinking carefully about it 随口说出的话语；随意写下的内容
It was only a throwaway comment.
那只是随口一说。
He claims people overreacted to a few throwaway lines in the article.
他说人们对文章里的一些无心之言反应过激。
Examples from the Corpus
throwaway remark/line/comment etc• Lopez says, a throwaway line for a throwaway job.• He thought the remark was melancholy, sadly philosophical, a throwaway line for an aimless afternoon.