sincerelyon Intermediatealso onBasic words (BNC)? CEFR Advanced (C1)? Band 3 (BND3)? باخلاص,بصدق,بِحُسْنِ نِيَّة,عَنْ حُسْنِ نِيَّة sincerely sincerely(adverb) باخلاص,بصدق,بِحُسْنِ نِيَّة,عَنْ حُسْنِ نِيَّة yours sincerely yours sincerely(expression) مع خالص تقديري Forms adverbexpression sincerely yours sincerely