a trial in itself 的意思是....?

"a trial in itself" 的意思是什麼?

trial 審訊,考驗
in itself它本身
"a trial in itself"的意思是「存在於它本身的審訊,考驗」,例如:
Facing TV reporters can be a trial in itself. 面對電視台記者本身可能是一種考驗。
Serving on a Jury Is a Trial in Itself.出任陪審員本身是一種審訊。

本身一項試驗中
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