“你写完作业了吗？”“嗯嗯，马上就好！”

"Did you finish your homework?" "___Yeah-yeah, almost done!"

“妈妈，我考试得了一百分！” “嗯嗯，我早就知道了。”

"Mom, I got full marks on the test!" "___Yeah-yeah, I already knew that."

别在那儿嗯嗯啊啊的，说点实质内容吧。

Stop with all the ___yeah-yeah and get to the point.