1. train with : 与...有往来；
2. by train : 乘火车；
3. train down : 从事锻炼使体重减轻；
4. train fine : 锻炼得良好；
5. train it : 坐火车去；
6. train on : 锻炼得有所改善；
7. train off : 转向；
及物动词
1. The telephone rang and interrupted my train of thought.
电话铃响了，打断了我的思路。
交通
B：Does that mean you’re not (going to take/ taking/ going to ride/ riding) the train to work anymore?
这是否意味着你不再（坐火车/搭火车/乘坐火车/乘火车）去上班？
train
A：Sometimes.
有时候会这样。
名词用法（NOUN USES）
1. 火车;列车
A train is a number of carriages, cars, or trucks which are all connected together and which are pulled by an engine along a railway. Trains carry people and goods from one place to another.
e.g. The train pulled into a station...
列车驶入了一个车站。
e.g. We can catch the early morning train...
我们能赶上凌晨的火车。
2. (缓慢行进中的)行列，队列
A train of vehicles, people, or animals is a long line of them travelling slowly in the same direction.
e.g. In the old days this used to be done with a baggage train of camels.
在过去，这往往由一队驮载行李的骆驼完成。
e.g. ...a long train of oil tankers.
一长队油轮
3. (想法、事件等的)(一)连串，(一)系列
A train of thought or a train of events is a connected sequence, in which each thought or event seems to occur naturally or logically as a result of the previous one.
e.g. He lost his train of thought for a moment, then recovered it...
他一时思维短路，然后又重新想了起来。
e.g. Giles set in motion a train of events which would culminate in tragedy.
贾尔斯触发了随后的一系列事件，这些事件最终将以悲剧收场。
4. 裙裾;拖裾
The train of a woman\'s formal dress or wedding dress is the long part at the back of it which flows along the floor behind her.
5. 在进行中
If a process or event is in train or has been set in train, it is happening or starting to happen.
train
e.g. In a moment the ceremony was in train…
仪式马上就要开始了。
e.g. He praised the economic reforms set in train by the government.
他称赞政府启动的经济改革。
6. (问题、困难等)随之而来
If something brings problems or difficulties in its train, the problems or difficulties occur as a natural or logical result of it.
e.g. The cars have brought in their train a host of other problems.
汽车随之带来其他一大堆问题。
名词用法（NOUN USES）
1. 火车;列车
A train is a number of carriages, cars, or trucks which are all connected together and which are pulled by an engine along a railway. Trains carry people and goods from one place to another.
e.g. The train pulled into a station...
列车驶入了一个车站。
e.g. We can catch the early morning train...
我们能赶上凌晨的火车。
2. (缓慢行进中的)行列，队列
A train of vehicles, people, or animals is a long line of them travelling slowly in the same direction.
e.g. In the old days this used to be done with a baggage train of camels.
在过去，这往往由一队驮载行李的骆驼完成。
e.g. ...a long train of oil tankers.
一长队油轮
3. (想法、事件等的)(一)连串，(一)系列
A train of thought or a train of events is a connected sequence, in which each thought or event seems to occur naturally or logically as a result of the previous one.
e.g. He lost his train of thought for a moment, then recovered it...
他一时思维短路，然后又重新想了起来。
e.g. Giles set in motion a train of events which would culminate in tragedy.
贾尔斯触发了随后的一系列事件，这些事件最终将以悲剧收场。
4. 裙裾;拖裾
The train of a woman\'s formal dress or wedding dress is the long part at the back of it which flows along the floor behind her.
5. 在进行中
If a process or event is in train or has been set in train, it is happening or starting to happen.
train
e.g. In a moment the ceremony was in train…
仪式马上就要开始了。
e.g. He praised the economic reforms set in train by the government.
他称赞政府启动的经济改革。
6. (问题、困难等)随之而来
If something brings problems or difficulties in its train, the problems or difficulties occur as a natural or logical result of it.
e.g. The cars have brought in their train a host of other problems.
汽车随之带来其他一大堆问题。
