The mosquito bite itches a lot.

蚊子咬的地方发痒得厉害。

My back itches and I can't reach it.

我的背发痒，但我够不到。

He itches his arm because of the rash.

他因为皮疹而发痒，所以挠了挠手臂。

When the weather is dry, my skin itches.

天气干燥时，我的皮肤会发痒。

Recently, my nose itches badly inside.

最近我的鼻子痒得厉害。

Some itches just have to be scratched.

身上有些痒，急需挠一挠。

Ho, ho, Mom helps me scratch where it itches.

呵呵，妈妈给我搔痒痒。

Ho , ho , Mom helps me scratch where it itches.

呵呵, 妈妈给我搔痒痒.

The average person experiences dozens of individual itches each day.

普通人一天会感受到数十次瘙痒。

If the palm of your left hand itches, it means you will soon be paying out money.

假如你左手掌痒，说明你很快要付出去一笔钱。