sketchy

adjective
1
not complete or detailed and therefore not very useful
ناقص, غیرمشخص, مبهم, نامعین, گنگ, کم‌جزئیات, سطحی
synonym rough
2
that people consider to be dishonest or bad
مشکوک, غیرقابل اعتماد, نامطمئن, نادرست
a sketchy neighborhood
He was a man with a sketchy past and even sketchier morals.