两情相悦

兩情相悅
liǎngqíngxiāngyuè
(of a couple) to be harmonious; to be each other's sunshine

CEDICT

  1. (of two people) to be in love with each other
  2. to be in love with each other

Wiktionary

男女双方彼此情投意合

重編國語辭典

双方彼此情投意合

維基詞典

Entry Composition