not quite enough, barely sufficient
Три волоска́ в су́пе - э́то уже многовато, три волоска́ на голове́ - уже маловато.
Three hairs in the soup are already rather a lot; three hairs on one's head are already rather too few.
Не маловато ли ему лет?
Isn't he a bit young?
Не маловато ли ей лет?
Isn't she a bit young?
На хокку не тя́нет — слого́в маловато.
It doesn’t look like a hokku: you need more syllables.
Не маловато?
Isn't it a bit small?
У меня сейчас маловато де́нег.
I'm a bit short of money now.
Силенок у него пока маловато.
He doesn't have much strength yet.
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