sincerely

adv. /sɪnˈsɪrli/ B1

真诚地；由衷地

In an honest and genuine way.

仙境例句

“I am sorry,” Alice said sincerely, for she had hurt the poor Mouse's feelings.

“对不起。”爱丽丝真心地说，因为她伤了可怜的老鼠的心。