firsthand

第一手的、親身的、直接的

She has firsthand knowledge of how the factory actually operates.

她對這間工廠實際的運作方式有第一手的了解。

親眼目睹的、親身經歷的

His book is a firsthand account of life after the earthquake.

他的書是震災後生活的親身見聞。

親自、親身、直接

I learned firsthand how difficult it is to raise three children.

我親身體會到養三個小孩有多辛苦。

直接地

We heard the news firsthand from someone at the meeting.

這個消息是我們從與會的人那裡直接聽來的。