در مخمصه بدی افتادن
to have become associated with something powerful and potentially dangerous; to have a very difficult problem to solve.
to find oneself in a situation from which it may be more dangerous or difficult to escape than to stay.
سر و کار داشتن با یک موقعیت یا چیز خطرناک/حساس
Something too difficult to manage or cope with
To have a tiger by the tail :
To find oneself in a situation that has turned out to be much more difficult to control than one had expected