屠龙之技的英文怎么说

屠龙之技的英文：

[Literal Meaning]

slaughter/dragon/aux./art

the art of killing dragons

[解释]

毫无实用价值。

[Explanation]

meaning something that has no practical value at all.

[例子]

你这次学的.就是屠龙之技，对公司的技术进步没有任何价值。

[Example]

What you learned this time is the art of killing dragons, which will provide no help for the company's development in technology.

参考例句：

To master the skilled-art of slaughtering dragon

屠龙之技