vt.

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

   不要把这件严肃的事情当作笑料。

   She treated me all right.

   她对我还不错。

2. 处理；为……涂上保护层
   This substance must be treated with acid.

   这材料得用酸来处理。

3. 探讨；论述
   The book treats some political problems.

   该书论述某些政治问题。

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

   医生治不了这种病。

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

   我们请你吃饭。

vi.

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

   这本书探讨经济问题。

2. 谈判，协商[（+for/with）]
3. 请客
   I'll treat today.

   今天我作东请客。

n.[C]

1. 请客
   It's my treat.

   我请客。

2. 难得的乐事
   It's a great treat for them to go to the theater.

   他们去看戏真是乐事。

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

   饭后甜点我们吃鲜草莓，真是难得的享受。

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.