vt.

1. 對待；看待，把……看作[O][（+as/like）]
   Do not treat this serious matter as a joke.

   不要把這件嚴肅的事情當作笑料。

   She treated me all right.

   她對我還不錯。

2. 處理；為……塗上保護層
   This substance must be treated with acid.

   這材料得用酸來處理。

3. 探討；論述
   The book treats some political problems.

   該書論述某些政治問題。

4. 醫療，治療[（+for）]
   The doctors were not able to treat this disease.

   醫生治不了這種病。

5. 請客，宴請，款待[（+to）]
   We'll treat you to dinner.

   我們請你吃飯。

vi.

1. 探討；論述[（+of/about）]
   This book treats of economic problems.

   這本書探討經濟問題。

2. 談判，協商[（+for/with）]
3. 請客
   I'll treat today.

   今天我作東請客。

n.[C]

1. 請客
   It's my treat.

   我請客。

2. 難得的樂事
   It's a great treat for them to go to the theater.

   他們去看戲真是樂事。

   For dessert we had fresh strawberries -- a real treat.

   飯後甜點我們吃鮮草莓，真是難得的享受。

v.

1. behave towards or deal with in a certain way.
   ▸present or discuss (a subject).
2. give medical care or attention to.
3. apply a process or a substance to.
4. (treat someone to) provide someone with (food, drink, or entertainment) at one's expense.
   ▸ (treat oneself) do or have something very pleasurable.
5. (usu. treat with) negotiate terms.

n.

1. a surprise gift, event, etc. that gives great pleasure.
2. (one's treat) an act of treating someone to something.
3. N. Amer. a sweet, biscuit, or other sweet item of food.