Asking for clarification shows you are thoughtful and won't go on wild goose chases in the office if difficult projects aren't spelled out for you in advance.

要求面试官解释可以体现你很细心，从而说明你在没有提前得到一个棘手项目的详细解释之前，是不会在办公室里白忙活一番的。

Wild-goose chases may happen sometimes during an investigation.

在一项调查的过程中，有时也许产生徒劳无功的结果。