"one who teases" (wool, flax, etc.), late 15c. (late 13c. as a surname), agent noun from tease (v.). From 1934 as "short sample, introductory advertisement."
实用例句
1. The problem looks simple enough, but when you come to try and solve it you'll find it's a real teaser.
这道题看起来很简单, 但当你要解它时你就会发现它确实是一道难题.
来自《现代汉英综合大词典》
2. It doesn't pay to invite a teaser like that.
犯不上招引那样的头痛的事儿.
来自辞典例句
3. Whether to accept the offer was a teaser.
是否接受那项提议还是个难题.
来自辞典例句
4. This one's a real teaser.
这可真是个难题.
来自辞典例句
5. This note is a preview ( a teaser, really ) for that talk.