Definition
Engaged in a challenging situation to the point where extrication is difficult.
深入太深（難以脫身）
He found himself in too deep with loans, unable to pay them back.
他發現自己貸款過多，無法償還。
They were already in too deep to abandon the project easily when they realized it was riddled with problems.
當他們意識到這個項目充滿問題時，已經深陷其中，無法輕易放棄。
She only wanted to help, but now she found herself in too deep, unable to get out of the dispute.
她原本只是想幫忙，但現在發現自己深陷其中，無法從爭端中脫身。