Definition
to comprehend the motives behind someone's actions
理解某人的行為
I spent weeks trying to work her out.
我花了幾個星期試著搞清楚她的行為原因。
He is always so mysterious; I can't work him out.
他總是那麼神秘；我搞不懂他。
By observing his behavior, I began to work him out and understand why he was so anxious.
通過觀察他的行為，我開始了解他並明白他為什麼如此焦慮。