gallantly  
adverb uk/ˈɡæl.ənt.li/ us/ɡəˈlænt.li/
  (POLITE)      
  formal(尤指男子在公众场合)对女子殷勤有礼地 
in a polite and kind way towards women, especially when in public
  He gallantly kissed her hand at the song's end. 歌曲结束时,他礼貌地吻了她的手。 
 He gallantly swore to protect her. 他有风度地发誓要保护她。 
 - More examples
 - She thanked him as he gallantly placed the cardigan around her shoulders.
 - He gallantly stepped in to save her.
 - A man very kindly and gallantly offered to carry my bags.
 
  (BRAVE)      
 formal approving英勇地,勇敢地,无畏地 
in a way that is brave when something is difficult or dangerous
  He fought gallantly in both world wars. 他在两次世界大战中都英勇作战。 
 I gallantly struggled to open my umbrella in the wind. 我勇敢地挣扎着在风中打开雨伞。 
 See: gallant
 - More examples
 - On a faraway battlefield, men charged gallantly across flaming hills.
 - He rose gallantly from his wheelchair to greet guests.
 - He lost gallantly to the champion in the fourth round.