To have a secret plan or idea.
Иметь скрытый план или идею. (Imet' skrytyy plan ili ideyu.)
"Don’t worry, he has something up his sleeve for the project."
"Не переживай, у него есть что-то за пазухой для проекта." (Ne perezhivay, u nego **yest' chto-to za pazukhoy** dlya proyekt.)
to find shared interests or agreement between parties
In a position to be injured or in danger.
a completely different or contrasting situation
to not completely believe something
to attack someone's most vulnerable point
to start being broadcast on television or radio