n.

1. 烦恼；忧虑[C][U]
   Her heart was full of trouble.

   她忧心忡忡。

2. 困难；困境；麻烦的事[U][C][（+with）][+v-ing]
   Her son has got into trouble again.

   她儿子又惹麻烦了。

   You're asking for trouble.

   你是在自找麻烦。

   I had a little trouble learning English grammar.

   我学英文语法有过一点困难。

3. 麻烦，打扰，费事[S][U]
4. 纷争，动乱，骚乱[P1]
   There used to be a lot of troubles in that region.

   那个地区过去动乱不断。

5. 故障[U][（+with）]
   My car has got engine trouble.

   我的汽车引擎发生故障。

6. 缺点，毛病[C][（+with）]
7. 疾病，苦痛[U][C]
   I often have trouble with my teeth.

   我常常牙痛。

vt.

1. 使烦恼；使忧虑
   Losing a little money doesn't trouble me.

   损失一点钱我并不在意。

2. （表示客气时用）麻烦[（+for）][O2]
   Could I trouble you to open the window?

   麻烦你把窗子打开好吗？

3. （疾病）折磨，使疼痛
   Her wound has been troubling her a lot this week.

   这星期她伤口一直很疼。

4. 扰乱；使激动

vi.

1. （常用于否定句和疑问句）烦恼；费心[（+about）][+to-v]
   Don't trouble about that.

   别为那事费心了。

   She didn't even trouble to look at our presents.

   她甚至不屑看一下我们的礼物。

n.

1. difficulty or problems.
   ▸failure to function properly.
2. effort or exertion, especially when inconvenient:
   I don't want to put you to any trouble.
   ▸a cause of worry or inconvenience.
   ▸ (often in phr. in trouble) a situation in which one is liable to incur punishment or blame.
3. public unrest or disorder.

v.