cross (one's) t's

(redirected from cross their t's)

cross (one's) t's

To do something carefully and make sure that every last minor detail is completed. Please make sure to cross your t's when signing this contract. I made sure to cross my t's when installing the circuit breaker—you can never be too careful with electrical work.
See also: cross

cross (one's) t's

To be thorough or painstaking in attending to details.
See also: cross
References in periodicals archive ?
Chicago Public Schools mostly failed to "cross their t's and dot their i's," but have been responsive to making improvements, Wood says.