disengage|disengaged|disengaging

停车时记得先松开手刹。

Remember to ___disengage the handbrake when parking.

他悄悄地从吵闹的人群中脱身。

He quietly ___disengaged himself from the noisy crowd.

当她开始谈论政治时，我渐渐失去了兴趣。

I started ___disengaging when she began talking about politics.