Quran english at taubah 125

وأما الذين في قلوبهم مرض فزادتهم رجسا إلى رجسهم وماتوا وهم كافرون

Waamma allatheena feequloobihim maradun fazadat-hum rijsan ilarijsihim wamatoo wahum kafiroon

 
Sahih International
But as for those in whose hearts is disease, it has [only] increased them in evil [in addition] to their evil. And they will have died while they are disbelievers.
Muhsin Khan
But as for those in whose hearts is a disease (of doubt, disbelief and hypocrisy), it will add suspicion and doubt to their suspicion, disbelief and doubt, and they die while they are disbelievers.
Pickthall
But as for those in whose hearts is disease, it only addeth wickedness to their wickedness, and they die while they are disbelievers.
Yusuf Ali
But those in whose hearts is a disease,- it will add doubt to their doubt, and they will die in a state of Unbelief.
Shakir
And as for those in whose hearts is a disease, it adds uncleanness to their uncleanness and they die while they are unbelievers.
Dr. Ghali
And as for the ones in whose hearts is sickness, then it increases them in abomination upon their abomination, and they die while they are disbelievers.