vt.

1. 涂，敷；将……铺在表面[（+to）]
   The nurse applied the ointment to the wound.

   护士把药膏敷到伤口上。

2. 应用；实施[（+to）]
   We should apply both theories in the language classroom.

   我们应把两种理论都运用到语言教学中去。

3. 使起作用；使适用[W][（+to）]
   This rule can not be applied to every case.

   这条规则并不是在每种情况下都能适用的。

4. 把……用（于）[（+to）]
5. （后常接oneself）使致力（于），使专心从事[（+to）]
   He applied himself to learning French.

   他致力于学习法语。

vi.

1. 申请，请求[（+for/to）][+to-v]
   He has applied for a post in England.

   他已申请在英国供职。

2. 起作用；适用[W][（+to）]
3. 专心致志
4. 有关系，相关联[W][（+to）]

v.

1. make a formal request.
   ▸put oneself forward as a candidate for a job.
2. be relevant.
   ▸bring into operation or use.
3. put (a substance) on a surface.
4. (apply oneself) work hard.