Word

海底撈月

かいていろうげつ
totally useless (fruitless) effort; wasting time on an impossible task (like trying to scoop up a reflected moon from the bottom of the sea)
Word

漁労

漁撈
ぎょろう
fishing; fishery
Word

海底撈月

ハイテイラオユエ
haitei winning hand; winning on the last tile drawn from the wall