cross (one's) t's and dot (one's) i's

cross (one's) t's and dot (one's) i's

To do something carefully and make sure that every last minor detail is completed. Make sure the legal team crosses their t's and dots their i's when drawing up the contract. I made sure to cross my t's and dot my i's when installing the circuit breaker—you can never be too careful with electrical work.
See also: and, cross, dot
Farlex Dictionary of Idioms.
See also:
  • dot (one's) i's and cross (one's) t's
  • dot the i's and cross the t's
  • dot the i's and cross the t's, to
  • dot the/your i's and cross the/your t's
  • dot i's
  • dot (one's) i's
  • cross (one's) t's
  • cross t's
  • sure
  • no matter how the dice fall