I became unwillingly involved in a tricky situation.
I was dragged into a difficult conversation that I knew nothing about.
ご質問ありがとうございます。
① "I became unwillingly involved in a tricky situation."=「私は面倒な状況に不本意ながら巻き込まれました。」
② "I was dragged into a difficult conversation"=「私はややこしい会話に巻き込まれました」
"that I knew nothing about."=「私が何も知らない(話に)。」
ご参考に。