to verify something again for accuracy
проверить что-то снова для точности (proverit' chto-to snova dlya tochnosti)
"Always double check the numbers before submitting."
"Всегда проверьте дважды числа перед отправкой." (vsegda prover'te dvaжды chisla pered otpravkoy)
to be daydreaming or not paying attention to reality
To be proven innocent or free from blame.
to add something extra, especially at the end
to be upset about something that cannot be changed
to understand or comprehend something difficult
a person with no prior knowledge or experience