Learn how to say Sweetly correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word sweetly:
in a way that has or denotes a pleasant taste like that of sugar ⇒ The fish soup is sweetly rich.
in such a way as to be free from unpleasant odours ⇒ The hound smelled sweetly of soap. ⇒ a hardy, sweetly scented plant
melodically, pleasantly, smoothly, and gently ⇒ He sang much more sweetly than he has before.
in a manner that is pleasant, kind, and gentle towards other people ⇒ I just smiled sweetly and said no. ⇒ a sweetly sincere, rather shy man
smoothly and precisely; perfectly ⇒ He heard the car engine running sweetly beyond the open door. ⇒ He could strike the ball as sweetly as when he was 28 years younger.