鱼水情

yúshuǐqíng

鱼水情 — yúshuǐqíng

1. a very close, mutually dependent relationship (literally: fish and water)

   他们之间有着鱼水情。 tāmen zhījiān yǒuzhe yúshuǐqíng — There is a fish-and-water closeness between them.