to stop being responsible for something
перестать быть ответственным за что-либо (perestat' byt' otvetstvennym za chto-libo)
"He washed his hands of the project after it failed."
"Он умывал руки от проекта после того, как он провалился." (On umyval ruki ot proekta posle togo, kak on provalilsya.)
make the best of your current situation
to argue against an idea for the sake of discussion
Knowing a small amount about something can lead to mistakes.
to face a temporary problem or setback
the tendency of consumers to keep buying the same brand
a secret agreement made by powerful people