I know that if he doesn't do his homework before his karate class, it's not going to get done because by the time we get home from his karate class he's too tired.

我知道如果空手道课前他不做家庭作业，作业就完成不了，因为到我们从他的空手道课回来后，他太累了。

youdao

The EyeToy inserts the moving image of a player into a game, letting them do fun stuff like give a karate chop to enemies.

它可以将游戏玩家的动态影像传到视频游戏里，让他们在游戏中做好玩的动作，比如用空手道进攻敌方等等。

youdao

Yes, at the moment I'm hearing only your concern, which is that you were worried that he wouldn't get his homework done, and your solution, which is that he do his homework before karate class.

是的，刚才我只听了你的问题，那是你担心他无法完成家庭作业的问题，和你的方法，让他在空手道课前完成家庭的方法。

youdao

Taylor Lautner and Courtney Cox do karate.

WSJ: Hollywood's New Kick: Why Everybody Is Kung Fu Fighting

Children as young as 6 are taking MMA classes in place of the karate or tae kwon do lessons of a generation ago.

FORBES: Magazine Article

So have the karate and tae kwon do academies that seem to be in every town in America, trying to teach our kids some discipline.

WSJ: Hollywood's New Kick: Why Everybody Is Kung Fu Fighting