“哎呀，我把钥匙落在车上了。”他不好意思地说道。

"___Shucks, I left my keys in the car," he said sheepishly.

“哎呀，我只不过烤焦了饼干而已，”他不好意思地说。

"___Shucks, I just burnt the cookies," he said sheepishly.