vain effort in Korean is 헛수고. For examples, you can use like [헛수고를 시키다, 헛수고를 하다]. In this post you will learn how to pronounce and use 헛수고 along with examples.
Basics
| Word | Part | Chinese | Sound |
| 헛수고 | noun | — | 헏쑤고 |
헛수고 Meaning
| Meaning | Explanation |
| vain effort; fool’s errand | A state in which one’s effort ends up in vain without any fruit or substance; or such an effort. |


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