英语词典

了如指掌的英文翻译

know sth like the palm of one's hand know very well at one's fingertips know what o'clock it is

know very well 英 [nəʊ ˈveri wel]

• 熟知

at one's fingertips

• 了如指掌；在手边

know what o'clock it is

• 为人机敏，精通世故