“你完成作业了吗？”“嗯嗯，刚写完。”

"Did you finish your homework?" "___Uh-huh, just done."

他听完那个愚蠢的笑话后，只是轻声地“呵呵”笑了两声。

After hearing that silly joke, he just gave a quiet "___huh-huh".