He's quite inept at tennis.

他打网球太笨。

youdao

He's inept at tennis.

他根本不会打网球。

youdao

But most seem to think the senator is inept at best and a liar at worst.

但是大多数人认为这位议员太过笨拙，还是最差的说谎者。

youdao

People are woefully inept at knowing when to hit the brakes with food.

WSJ: Overeating: The Psychology of Small Packages

Which model would James Galbraith prefer: an inept government at low cost, or an inept government at enormous cost?

ECONOMIST: Fury unleashed by Katrina

For centuries now the screw has held things together, and for almost as long it has been frustratingly inept at its central purpose.

FORBES: Magazine Article