know a trick or two

know a trick or two

To be knowledgeable about how best to do or deal with something. Likely modeled on the more common phrase "know a thing or two." Don't worry, I know a trick or two to get us past security. You should ask Tom about this piece of equipment. He knows a trick or two about how to get it running.
See also: know, trick, two
Farlex Dictionary of Idioms.

know a trick or two

to know some special way of dealing with a problem. I think I can handle all of this with no trouble. I know a trick or two. I may be a senior citizen, but I still know a trick or two. I think I can help you with this.
See also: know, trick, two
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • in the biblical sense
  • I know
  • closed book, a
  • a closed book
  • as we know it
  • be in the dark
  • in the dark, to be/keep someone
  • (I) can't say as I do
  • can't say as I do
  • know where it's at