one-trick pony
US /wʌn-trɪk ˈpoʊ.ni/
UK /wʌn-trɪk ˈpoʊ.ni/
1.
只会一招的马, 只有一种技能的人
a person or thing that has only one special ability, skill, or area of expertise
:
•
He's a talented singer, but he's a bit of a one-trick pony, only performing ballads.
他是一位才华横溢的歌手，但他有点像个只会一招的马，只唱情歌。
•
The new software is a one-trick pony; it only does one thing well.
这款新软件是个只会一招的马；它只擅长做一件事。