casual attire

基本解释

Even in her casual attire, she is imperious.
即便她著装随意，也高傲得很。
Mr. Keating serves as the CD manufacturing whiz on what amounts to Microsoft’s version of the A-Team, clad in business-casual attire.
基廷先生身着企业休闲装，充当着CD生产能手的角色，就好比是微软版的天龙特工队。
Keating serves as the CD manufacturing whiz on what amounts to Microsoft's version of the A-Team, clad in business-casual attire.
基廷先生身着企业休闲装，充当着CD生产能手的角色，就好比是微软版的天龙特工队。

Whether that means full business regalia or tasteful business casual attire may depend on the occasion or the client, of course, seldom does someone become the topic for water cooler conversation for dressing well, while the converse may be true.
FORBES: Small Business People Don't Automatically Get a Pass on Dressing for Success
Ruth Sherman, a Greenwich, Connecticut-based communications consultant whose client roster includes Deloitte , Pfizer and Bank of America, says common complaints about younger workers range from lame handshakes and poor conversational skills to super-casual attire and personal use of company e-mail.
FORBES: Magazine Article
Oliver is also concerned with excessively casual office attire.
FORBES: The New Rules Of Business Etiquette