像运动衫，磨旧的牛仔裤或脏球鞋这类的非正式服装可能给人造成你对这份工作不认真的印象，或者说你对工作的态度同穿着一样随意。
Informal clothes like sports shirts, Tom jeans or dirty sneakers convey the impression that you are not serious about the job, or that you may be casual about your work as you are about your clothes.
那篇短文是对一个网上讨论的一个非正式的、随意的跟帖，不是学术论文或作业。
It was an informal, casual follow-up to a discussion thread, not an academic paper or assignment.
应用推荐