Смысл: A-day

A-day[ʹeı͵deı]
n
<Í> 1. ист. день испытания первой атомной бомбы
2. заранее намеченный день военного нападения, обыкн. атомного
3. амер. день, намеченный для какого-л. важного мероприятия

not know the time of day Идиома

a hard day

a day full of hard work, put in a hard day You look tired, Dear. Did you have a hard day at the office?

a heavy day

a busy day, a hard day At the end of a heavy day he likes to sit on the patio and read.

a month of Sundays

a very long time, many days It will take a month of Sundays to phone the students in our school.

a red-letter day

a special day, a memorable day This is going to be a red-letter day. I found my lost keys!

a slow day

not productive, not many customers Tuesday is a slow day in the car market - very few sales.

all day long

the whole day She has been sitting and waiting for the mail to arrive all day long.

all in a day's work

not extra work, just part of my duties "She said, ""Thanks for the help."" ""All in a day's work,"" he replied."

all the livelong day

all day, lasting the whole day Our canary sings all the livelong day - from dawn to dusk.

an apple a day keeps the doctor away

eat one apple each day for good health "Mom gave me an apple, saying, ""An apple a day... ."""

apple a day...

(See an apple a day keeps the doctor away)

not apperceive the time of day

To be absolutely unintelligent, daft, or not alert. We paid for her to appear the best university in the state, but three years in, she still doesn't apperceive the time of day. How can you apprehend me to account my bang-up back he doesn't alike apperceive the time of day?Learn more: know, not, of, time

know the time of day

be able-bodied abreast about something.Learn more: know, of, time

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More Idioms/Phrases

antsy any old thing any way you slice it any word anything goes AOB AOK APB apple a day... apple of his eye apple of one arm and a leg armed to the teeth around the bend around the clock as a matter of fact as a rule not know beans not know beans (about something) not know beans about not know beans about something not know enough to come in out of the rain not know from (something) not know from Adam not know from nothing not know if (one) is afoot or on horseback not know if (one) is coming or going not know if you are coming or going not know one end (of something) from another not know one’s ass from a hole in the ground not know own strength not know shit (about something) not know shit about something not know shit from apple butter not know shit from Shinola not know somebody from Adam not know someone from Adam not know the first thing about not know the first thing about (someone or something) not know the first thing about somebody/something not know the half of it not know the meaning of the word not know the time of day not know what (one is) missing not know what hit (one) not know what hit you not know what to do with (oneself) not know what to do with yourself not know what to make of not know what to make of (someone or something) not know what you're missing not know where to look not know where to put (oneself) not know where to put yourself not know where to turn not know whether (one) is coming or going not know whether one is coming or going not know whether one is coming or going and not know if one is ... not know whether to laugh or (to) cry not know whether to laugh or cry not know whether you are coming or going not know whether you're coming or going not know which end is up not know which way to look not know which way to turn not know which way/where to look not know which way/where to turn not know you are born