湯を沸かして水にする

ゆをわかしてみずにする

Meanings

1. Expression wasting one's efforts; rendering one's efforts futile

Kanji

• 湯 hot water. Read as ゆ.
• 沸 boil. Read as わかす.
• 水 water. Read as みず.

Word lists

• Idioms

Jinuma: Japanese Dictionary · Word lists