Vocabulary consisting only from characters you are able to read
いつの間にか
itsunomanika
before one knows, before one becomes aware of, unnoticed, unawaresjlpt3
向上
koujou
elevation/rise/improvement/advancement/progress/(P)leda1, suru
大都市
daitoshi
metropolis, large citymix
予知
yochi
foresight/foreknowledge/intimation/premonition/prediction/(P)leda1, suru