在日常生活和工作中，感谢信是一种礼仪文书，用于向帮助、关心和支持过自己的集体（党政机关、企事业单位、社会团体等）或表示感谢的专业书信。下面将分享十篇简短的100字左右的英语感谢信范文：
一、致老师的感谢
Dear Professor Smith, I am writing to express my gratitude for your guidance. Your support has been crucial in my academic journey. Thank you for being an inspiring mentor. Yours sincerely, [姓名]
二、感谢朋友的帮助
Hi [Friend’s Name], Words cannot describe how thankful I am for your help last week. You made a difficult time much easier for me. I owe you big time! Best regards, [姓名]
三、对家人的感恩
Mom and Dad, Thank you for always being there for me. Your unconditional love is the greatest gift. I appreciate everything you do. Love, [姓名]
四、对公司领导的感激
Dear [Manager’s Name], I appreciate the opportunity you gave me to lead the project. This experience has been invaluable. Thanks again for your confidence in me. Sincerely, [姓名]
五、感谢同事的合作
Hello [Colleague’s Name], I just wanted to say thanks for all your hard work on our recent project. Our collaboration was key to its success. Looking forward to working with you again. Warmest regards, [姓名]
六、感激客户的信赖
Dear [Customer’s Name], Thank you for choosing our services. It’s clients like you who make our job so rewarding. We look forward to serving you again soon. Yours faithfully, [姓名]
七、向医生表达谢意
Dr. [Doctor’s Name], I am deeply grateful for your care and expertise during my treatment. Your kindness made a significant difference in my recovery process. With deep appreciation, [姓名]
八、感谢邻居的帮助
Hi [Neighbor’s Name], Many thanks for watching my house while I was away. Your help meant the world to me. I truly appreciate it! Best wishes, [姓名]
九、对教练的感激
Coach [Name], Your training has pushed me to reach new heights in my performance. Words cannot fully express how grateful I am. Here’s to continued success under your guidance! Respectfully, [姓名]
十、感谢志愿者的贡献
To all volunteers, Your dedication makes our community better. From the bottom of my heart, thank you for giving so generously of yourself. Warmest thanks, [姓名]