I always feel sad whenever it rains.

每当下雨时，我总是感到悲哀。

Whenever it rains, I take an umbrella.

每当下雨时，我都会带上雨伞。

Whenever it rains, she brings an umbrella.

每当下雨，她都会带伞。

The car malfunctions whenever it rains heavily.

每当下大雨时，这辆车就会故障。

The roof leaks whenever it rains.

每逢下雨屋顶就漏雨.

The roof leaks whenever it rains .

每逢下雨屋顶就漏雨。

Whenever it rains, the roof leaks.

只要下雨，屋顶就漏水。

Whenever it rains, magically, mushrooms appear overnight.

每当下雨的时候，蘑菇就会像魔法一样在一夜之间冒出头来。