如鱼得水 (rú yú dé shuǐ) | Meaning: like a fish back in water (idiom); glad to be back in one's proper surroundings | Chinese Idiom with Pinyin & Origin

lit. like a tiger that has grown wings · with redoubled power (idiom)如虎添翼rú hǔ tiān yì

(idiom) to have an affinity with each other; to find each other congenial情投意合qíng tóu yì hé

intimate · close亲密qīn mì

(idiom) (of siblings, spouses etc) very close to each other; inseparable; devoted to each other相亲相爱xiāng qīn xiāng ài

a hero gets an opportunity for showing his prowess · the flood-dragon gets to water蛟龙得水jiāo lóng dé shuǐ

like a fish back in water (idiom); glad to be back in one's proper surroundings