to stop being responsible for something
se désengager de quelque chose (se désengager de quelque chose)
"He washed his hands of the project after it failed."
"Il se désengagea du projet après qu'il ait échoué." (Il se desengagea du projet apres qu'il ait echoué.)
to stop resisting or to agree after initial refusal
to stay cheerful even when facing difficulties
to slowly become less close or connected over time
to have ambitious goals and aspirations
to reintroduce something gradually
the truth will eventually be revealed