n.

1. 癢[S]
   I have an itch on my left hand.

   我左手很癢。

2. 【醫】疥瘡[the S]
3. 渴望；慾望[S][（+for）][+to-v]
   They have an itch to travel abroad.

   他們渴望去國外旅行。

vi.

1. 發癢
   I itch all over.

   我渾身發癢。

2. 渴望，熱望[（+for）][+to-V]
   The boys were itching to let off their fireworks.

   男孩子們急著想放煙火。

vt.

1. 使發癢
   His wool shirt always itches him.

   他那件羊毛衫老是弄得他身上發癢。

2. 使煩惱；使惱怒
   His remarks itched her.

   他的話惹她生了氣。

3. 【口】搔

n.

1. an uncomfortable sensation or condition that causes a desire to scratch the skin.
2. informal an impatient desire.

v.

1. be the site of or experience an itch.
2. informal feel an impatient desire to do something.