a.[Z]

1. 外國的
   He likes collecting foreign stamps.

   他喜歡收集外國郵票。

2. 陌生的；不屬於本身的；不適合的[F][（+to）]
   Deception was foreign to his nature.

   欺騙和他的本性格格不入。

3. 外來的；異質的[B]
   The oculist removed a foreign object from his eye.

   眼科醫生從他眼中除去一個異物。

adj.

1. from, in, or characteristic of a country or language other than one's own.
   ▸dealing with or relating to other countries.
2. coming or introduced from outside.
3. (usu. foreign to) unfamiliar or uncharacteristic.