be in (one's) element

be in (one's) element

To be doing something that one is very comfortable with or proficient in. My mother is in her element in the kitchen and can make just about any dish.
See also: element
Farlex Dictionary of Idioms.
See also:
  • element
  • in (one's) element
  • in element
  • in one's element
  • in your element
  • practice makes perfect
  • practise
  • get the gist
  • trick of the trade
  • tricks of the trade