dubious

adjective
1
not certain about something and suspecting that something may be wrong; not knowing whether something is good or bad
مشکوک, تردیدآمیز, مردد, دودل, نااطمینان, نامطمئن
synonym doubtful
2
probably not honest
مشکوک, مزور, دغل, غیرقابل اعتماد
They indulged in some highly dubious business practices to obtain their current position in the market.
The man who sold it to him was known to be of dubious character.
synonym suspicious
3
that you cannot be sure about; that is probably not good
مشکوک, نامطمئن, مبهم, غیرقابل‌اعتماد, مشکوک به صحت, نااطمینان
They consider the plan to be of dubious benefit to most families.
(ironic)The town has the dubious honour of having the highest burglary rate in England .