“感谢您的帮助”常见的英语表达有:
Thank you for your help. (最常用、最直接的表述)
Thanks for your assistance. (“assistance” 比 “help” 更正式一些,常用于商务或正式场合)
I appreciate your help. (表达对对方帮助的感激和珍视,语气稍显正式和真诚)