我让他自己做作业。

I asked him to do his schoolwork by himself.

youdao

她说如果她自己做作业会好得多。

She said it was much better if she did her own work.

youdao

自己做作业，别叫别人帮你做。

Do your homework yourself; don't have it done.

youdao

So rather than go through this again a whole third time, I've gone through it once in quantities and once in prices, I'm going to get you guys to do it this time by having you do it on a homework assignment.

与其从头到尾再做第三遍,我已经从产量和价格角度从头到尾做过了,我将让你们自己,在家庭作业中完成这个工作

耶鲁公开课 - 博弈论课程节选