underdress

1. I just think, from far away, that flesh-colored underdress could be a little misleading.
   我只是觉得，从远处看，肉色的底裤有点容易让人产生误解。
2. But the most important question in any unfamiliar social setting must surely be whether it is better to overdress or underdress.
   然而，面对任何不熟悉的社交环境，最重要的问题必然是：穿着隆重还是穿着随意，哪一种选择更好。
3. "The Lady with an Ermine" shows the Duke of Milan's teenage mistress in a fashionable red gown, its slit sleeves revealing a pale underdress.
   “抱银鼠的女子”向我们展示了米兰公爵年少时的情妇，她穿着时尚的红色礼服，从她的袖缝中可以看到她苍白色的内衣。

verb

1. dress informally and casually
   1. On Fridays, employees can underdress

   Synonym:    dress down

2. dress without sufficient warmth
   1. She was underdressed for the hiking trip and suffered hypothermia