1
razones, motivos, causas, circunstancias
1
pretext;history;past;story
ふふ・・・いわくがあるのさ、あそこには。
He-heh... there's a tale behind that, for that place.
2
according to ...;... says
賢人いわく、人生は失望の連続である。
Some wise man has said life consists of one disappointment after another.