n.[C]

1. 主題；題目；題材
   He has read many books on the subject.

   他看過許多關於這一方面的書。

2. 話題；（議論的）對象
3. 科目，學科
   English is my favorite subject.

   英語是我最喜歡的學科。

4. 【文】主詞
5. （君主國）國民，臣民
6. 原因；緣由；理由[（+of/for）]
7. 接受實驗者，實驗品，實驗對象
8. 【音】主題，主旋律
9. 【哲】（意識的）主體；主觀意識

a.

1. 易受……的；易患……的[F][+to]
   My mother is very subject to headaches.

   我母親動不動就頭痛。

   Japan is subject to earthquakes.

   日本常發生地震。

   The prices for steel are subject to change.

   鋼材價格隨時可能有變動。

2. 以……為條件的；須經……的[F][+to]
   Our plans are subject to the weather.

   我們的計畫取決於天氣如何。

3. 隸屬的，受支配的[Z][（+to）]
   While in this country you are subject to its laws.

   你們在這個國家就要受其法律的約束。

vt.

1. 使隸屬；使服從[（+to）]
   How can you subject her will to your own?

   你怎麼可以要她服從你的意願呢？

2. 使蒙受；使遭遇[H][+to]
   Her conduct subjected her to public ridicule.

   她的行為使她受眾人嘲笑。

   This country was once subjected to foreign rule.

   這個國家一度曾受外國統治。

   The suspect was subjected to cross-examination at the police station.

   嫌犯在警察局受到盤問。

3. 提供；呈交

n.

1. a person or thing that is being discussed or dealt with or that gives rise to something.
   ▸Logic  the part of a proposition about which a statement is made.
   ▸a person who is the focus of scientific or medical attention or experiment.
2. a branch of knowledge studied or taught in a school, college, or university.
3. Grammar  a noun or noun phrase about which the rest of the clause is predicated.
4. a member of a state owing allegiance to its monarch or supreme ruler.
5. Music  a theme of a fugue or of a piece in sonata form; a leading phrase or motif.
6. Philosophy  a thinking or feeling entity; the conscious mind or ego.
   ▸the central substance or core of a thing as opposed to its attributes.

adj.

1. likely or prone to be affected by (something bad).
2. dependent or conditional upon.
3. under the control or authority of.

adv.

v.

1. cause or force to undergo.
2. bring under one's control or jurisdiction, typically by force.