屠龍之技的英文怎麼説

屠龍之技的英文：

[Literal Meaning]

slaughter/dragon/aux./art

the art of killing dragons

[解釋]

毫無實用價值。

[Explanation]

meaning something that has no practical value at all.

[例子]

你這次學的.就是屠龍之技，對公司的技術進步沒有任何價值。

[Example]

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

參考例句：

To master the skilled-art of slaughtering dragon

屠龍之技