nugatory

• adj. 无价值的；琐碎的；无效的；无法律效力的

来自拉丁语nugae,琐事，小玩笑，词源同拉丁语nugor,开玩笑，嘲笑。引申词义琐碎的，无价值的。

nugatory (adj.)

"trifling, of no value," c. 1600, from Latin nugatorius "worthless, trifling, futile," from nugator "jester, trifler, braggart," from nugatus, past participle of nugari "to trifle, jest, play the fool," from nugæ "jokes, jests, trifles," of unknown origin.

1. Your efforts shall have been nugatory.

你的努力也就没有价值了。

来自辞典例句