informal, chiefly N. Amer. <非正式, 主北美>
1
- a mistake错误：
he made one of the most embarrassing goofs of his tenure.
任期内, 他犯了一个令他非常尴尬的错误。
2
- a foolish or stupid person傻瓜, 愚蠢的人。
no obj.
1
- spend time idly or foolishly; fool around消磨时间; 闲荡：
I was goofing around and broke my arm.
我在四处闲荡时摔折了胳膊。
1.1
goof off
evade a duty; idle or shirk躲避责任; 游手好闲; 开小差：he was goofing off from incessant maths homework.
他想躲开无休无止的数学作业。
1.2
goof on
make fun of; ridicule取笑; 奚落：Lew and I started goofing on Alison's friend.
我和卢开始嘲笑艾莉森的朋友。
2
- make a mistake; blunder犯错; 失误：
you're scared to say yes in case you goof up.
如果你犯了错, 就会吓得连“是”也说不出。
3
- with obj. take a stupefying dose of (an illegal drug)过量服用（违禁药品）。
词源
early 20th cent.: of unknown origin;比较GOOP1.