white tie

US /waɪt taɪ/
UK /waɪt taɪ/
"white tie" picture
1.

白领结, 大礼服

a formal dress code for men, consisting of a black tailcoat, white dress shirt, white bow tie, and white waistcoat

:
The invitation specified white tie attire for the gala.
请柬上注明晚会着装为白领结
Only a few events still require white tie.
只有少数活动仍要求穿白领结