Смысл: again

again[əʹge(ı)n]
adv
<Í> 1. снова, вновь; опять; ещё раз
again and again - снова и снова, то и дело; неоднократно
to do smth. again - ещё раз что-л. сделать
to be back /home/ again - снова вернуться домой
to be well again - оправиться, выздороветь
(the) same again - ещё столько же и того же (при заказе спиртного)
2. как вводное слово с другой стороны; к тому же, кроме того
and again we must remember ... - но, кроме того, следует помнить ...
this is better but again it costs more - это лучше, но, кстати, дороже
(and) then again, I feel doubtful whether ... - (и) кроме того, я сомневаюсь, что(бы) ...
3. вдвое (о числе, объёме, расстоянии)
as much again - а) ещё столько же; б) вдвое больше
as far again - вдвое дальше
half as large again - в полтора раза больше
4. редк. в ответ
to answer again - сказать (что-л.) в ответ
5. в сочетаниях:
now and again, ever and again - иногда, время от времени
time and again - неоднократно, часто, то и дело
over /once, yet/ again - ещё раз

time and (time) again Идиома

against all odds

not likely to happen, a slim chance Against all odds - poor weather, student pilot - we landed safely.

against the grain

against the natural way, rub the wrong way Some words go against the grain. Their spellings aren't natural.

at it again

doing it again, back at it That dog is at it again - barking in the middle of the night.

beat your head against a stone wall

try an impossible task, work on a futile project Preventing war is like beating your head against a stone wall.

come again

what did you say? beg your pardon? "When I asked Grandpa if he liked the soup, he said, ""Come again?"""

dead set against

strongly opposed to, down with She's dead set against abortion as a means of birth control.

dead set against something

determined not to do something They are dead set against their son going to Europe for a year.

everything old is new again

fashions and trends are repeated or revived Hey, if miniskirts are back, everything old is new again!

go against the grain

oppose the natural way, do it the hard way Moe has always been perverse - always going against the grain.

have two strikes against one

have things working against one, be in a difficult situation He already has two strikes against him and it will be very difficult for him to get the job.