deeply       
adverb uk/ˈdiːp.li/ us/ˈdiːp.li/
B2 深深地;极其,非常
extremely or strongly
  I'm deeply grateful to you. 我对您深为感激。 
 He found her comments deeply irritating/offensive. 他觉得她的话让人觉得很不舒服/及其无礼。 
 We don't want to get too deeply involved with these people. 我们不想和这些人深交。 
 After 20 years of marriage, they're still deeply in love. 结婚已经20年了,他们依然深爱着对方。 
 Synonym: profoundly
 - More examples
 - The news of the accident shocked the family deeply.
 - She sighed deeply and sat down.
 - The radiant smile and the sparkle in her blue eyes were the clear signs of a woman still deeply in love.
 - The instructor told us to breathe in deeply and then breathe out slowly.
 - He was deeply wounded by her fierce criticism.