a.

1. 厚的；粗的
   How thick is the board?

   这块木板有多厚？

2. 浓的，浓厚的；粘稠的；混浊的
   It is dangerous to drive in a thick fog.

   在浓雾天驾车很危险。

3. 充满……的；长满……的[F][（+with）]
   The air was thick with smoke.

   空气中烟雾弥漫。

4. 茂密的；密集的
   We saw a few cabins by the edge of the thick forest.

   我们在密林边缘看见几间小木屋。

5. （口音）重的；（声音）浊的；口齿不清的
6. 【口】（脑子）迟钝的；思路不清的；笨的
   That guy has a thick head.

   那个汉子脑子笨。

7. 【口】亲密的，很友好的[F][（+with）]
   He is thick with my brothers.

   他与我兄弟过往甚密。

ad.

1. 厚厚地；密集地
   Don't spread jam that thick.

   别把果酱涂得那么厚。

2. 浓浓地；强烈地
   My heart beat thick in the course of the interview.

   在面试过程中我的心跳得厉害。

n.

1. 厚的（粗的、密的）部分；最激烈的时候[the S][（+of）]
   They are in the thick of reforming the educational system.

   他们正积极实行教育制度改革。

adj.

1. with opposite sides or surfaces relatively far apart.
   ▸(of a garment or similar item) made of heavy material.
2. made up of a large number of things or people close together.
   ▸ (thick with) densely filled or covered with.
   ▸(of the air or atmosphere, or a substance in the air) opaque, heavy, or dense:

   thick fog.
3. (of a liquid or a semi-liquid substance) relatively firm in consistency; not flowing freely.
4. informal of low intelligence; stupid.
5. (of a voice) hoarse or husky.
   ▸(of an accent) very marked and difficult to understand.
6. informal having a very close, friendly relationship.

n.

adv.