n.[C]

1. 助手，助理；助教；店員
   He worked as an assistant to the President.

   他當過總統助理。

2. 起輔助作用的事物

a.

1. 助理的；輔助的[B]
   He is an assistant cook.

   他是個助理廚師。

2. 有幫助的[（+to）]
   The horse is an animal assistant to man.

   馬是對人類有幫助的動物。

n.

1. a person who ranks below a senior person.
2. a person who helps in particular work.