这里有个小小的技术问题需要解决，但这个想法是够酷的。

There are itsy-bitsy technical problems to sort out, but the idea is cool enough.

youdao

照例：第二次宣布一个“小小的技术问题”前，人们的脚趾头已经冻得失去了知觉。

Same routine: People were losing sensation in their toes before the announcement of a second "small technical problem."

youdao