unfeignedly grateful 真诚地感激
unfeignedly happy 由衷地快乐
unfeignedly sincere 发自肺腑的真诚
unfeignedly surprised 真正地惊讶
1. She was unfeignedly delighted to see her old friend.
看到老朋友，她由衷地感到高兴。
2. The student gave an unfeignedly polite answer to the professor.
学生对教授给出了一个由衷礼貌的回答。
3. He smiled unfeignedly when he heard the good news.
听到这个好消息时，他真诚地笑了。
A: I am unfeignedly sorry for my mistake.
A：对于我的错误，我真心感到抱歉。
B: I appreciate your unfeignedly kind help.
B：我非常感激你发自肺腑的善意帮助。
1) 真诚地
2) 非虚伪地
3) 真实地
1. 真诚地，非虚伪地
e.g.He was unfeignedly pleased with the result.
他对结果由衷地感到满意。
adverb
1. In a sincere, genuine, or unfeigned manner; without pretense or hypocrisy.
Synonym: sincerely, genuinely, truly