head-scratcher

短语

n. 令人头痛的问题

发音

US /ˈhɛdˌskɹæt͡ʃɚ/
AU

词形变化

head-scratchers 复数

别名

head scratcher

释义与例句

n.
  1. 1.

    Something particularly puzzling or confusing.

    比喻 非正式
  2. 2.

    A device used to scratch the head.

词源

From head + scratcher. Literal sense from 1873, figurative from 1971.

来源：wiktionary