a sheepish-looking boy的用法和样例：
- CHANDLER: Well don't you see how gross that is? I mean that's like you using my toothbrush. [Joey gets a sheepish look] You used my toothbrush?
- He gave me a sheepish look.
- a sheepish - looking boy
- Bay could only give a sheepish apology for the extra's misfortune.
- Look boy! How is the snow coming down.Go and make a snow man.
- a sheepish look