N-COUNT 聪明机灵(但有点儿荒唐)的人 If you say that some bright spark had a particular idea or did something, you mean that their idea or action was clever, or that it seemed clever but was silly in some way. 聪明机灵(但有点儿荒唐)的人 [British, informal]
'Why not give out one of the cybercafe's e-mail addresses?' suggested one bright spark.
“为什么不把网吧的一个电子邮件地址公布出去呢?”某个聪明人建议道。
Some bright spark turned the heating off last night!