bu

例句：

1. 1.
   用于表示否定，相当于“不”或“没有”
2. 2.
   用于表示强调，相当于“非常”或“尤其”
3. 3.
   用于表示方向，相当于“朝”或“向”
4. 1. I don't like this movie, it's boring.
   我不喜欢这部电影，它很无聊。
5. 2. She is very kind, but not as good as you.
   她人很好，但不如你。
6. 3. He walked towards the door, but didn't go in.
   他朝门走去，但没有进去。