如鱼得水 rú yú dé shuǐ

DEFINITIONS

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

CHARACTERS

如 rú
HSK 3
if, supposing; as if; like, as
鱼 yú
HSK 2
fish; surname; KangXi radical 195
得 dé
HSK 2
obtain, get, gain, acquire
水 shuǐ
HSK 1
water, liquid, lotion, juice