suss

搞懂、弄清楚、摸清口語，常與 out 連用

It took me a week to suss out how the new system works.

我花了一個星期才搞懂這套新系統怎麼運作。

看透、識破、打量口語

She sussed him out within minutes of meeting him.

她見到他沒幾分鐘就把他看透了。

察覺、發覺口語

They eventually sussed that we had been lying.

他們後來察覺到我們一直在說謊。

可疑的、靠不住的英式口語

The whole deal sounds a bit suss to me.

整筆交易在我聽來有點可疑。