(take to sth)like a duck to water

轻而易举(地学会、适应)；像鸭子入水般容易，轻而易举，毫不困难，毫无畏惧（习惯于某事）；像鸭子入水般容易，毫不困难，毫无畏惧（习惯于某事）；做某事如鱼得水，驾轻就熟；做某事易如反掌to learn or adapt to sth. quickly and easily

(to become used to sth) very easily, without any problems or fears

例：

She took to mothering like a duck to water.

她很快就对母亲这一角色驾轻就熟了。

He took to fathering like a duck to water.

他很快就对父亲这一角色驾轻就熟了。

My father's taken to snowboarding like a duck to water一in fact, he's even better than me!

我爸爸轻而易举地学会了滑雪——事实上，他甚至比我好！

She has taken to teaching like a duck to water.

她教起书来驾轻就熟。

She took to dancing like a duck to water.

她学跳舞简直是易如反掌。

He takes to life at university like a duck to water.

他适应了大学生活，如鱼得水。

She's taken to tennis like a duck to water.

她打起网球来易如反掌。