a4
a

prep
according to, after, against, at, by, from, in, of, on, till, to, towards, under, upon, with, within: irei a Londres / I shall (will) go to London. Used also in forming many adverbial and prepositional phrases.Expressõesa cabo to conclusion.
a contragosto unwillingly.
a custo with difficulty.
a duras penas painfully.
a esmo at random, aimlessly.
a leste towards the east.
a meu ver in my opinion.
a pão e água on bread and water.
a partir desse dia from that day on.
a pé on foot.
a pouca distância within a short distance.
a que horas? at what time?
a respeito de regarding.
a seu gosto according to his (her) taste.
a seu modo after his (her) way.
a título de under pretence of.
cheirar a rosas to smell of roses.
encostar a uma parede to lean against a wall.
passo a passo step by step.