but.ton-down

button-down的音标和读音：
DJ音标发音： [ˈbʌtnˌdaun]
KK音标发音： [ˈbʌtnˌdaʊn]

button-down的词性：
adj.（形容词）

1. Having the ends of the collar fastened down by buttons:
衣领扣的：用钮扣将衣领未端扣牢的：

a button-down shirt.
一件有衣领扣的衬衫

2. Also but.toned-down [b?t“nd-] Conservative, conventional, or unimaginative:
也作 but.toned-down [b?t“nd-] 守旧的：保守的、传统的或缺乏想象力的：

“a colorful character in the buttoned-down, dull-gray world of business”(Newsweek)
“保守的、不景气的商界的一个明显的特征”(新闻周刊)