dot (one's) I's and cross (one's) t's(redirected from dot their i’s and cross their t’s)
dot (one's) I's and cross (one's) t's
To do something carefully and make sure that every last minor detail is completed. Please make sure to dot your i's and cross your t's when signing this contract. I made sure to dot my i's and cross my t's when installing the circuit breaker—you can never be too careful with electrical work.