Turn 的用法和短语
一、基本含义
“Turn” 是一个多义词，其基本含义包括旋转、转动、转向、翻转等。它可以作为动词使用，也可以在某些固定短语中作为名词或其他词性出现。
二、动词用法
表示旋转或转动：
- He turned the key in the lock. 他把钥匙在锁里转了一圈。
- The wheel turns smoothly. 车轮转得很顺畅。
表示改变方向或位置：
- Turn left at the next corner. 在下一个路口左转。
- Please turn your face towards me. 请把你的脸转向我。
表示变得（某种状态）：
- The weather turned cold suddenly. 天气突然变冷了。
- Her face turned red when she heard the news. 她听到这个消息时脸红了。
表示轮流、依次：
- It's your turn to speak now. 现在轮到你说话了。
- We took turns driving during the long trip. 在长途旅行中我们轮流开车。
表示翻页、换面：
- Turn to page 50 and read the first paragraph. 翻到第50页，读第一段。
- Please turn the page for me. 请帮我翻页。
三、固定短语
turn off：关掉（电器）、转弯进入小路/街道
- Turn off the lights before you leave the room. 离开房间前请关灯。
- Turn off the main road into the narrow street. 从大路拐进小巷。
turn on：打开（电器）、对…产生作用/影响
- Turn on the TV, please. 请打开电视。
- The medicine began to turn on him after a few days. 几天后，这种药开始对他起作用了。
turn up：出现、找到、开大音量
- He promised to turn up but he didn't come. 他答应要来但没来。
- I finally turned up my lost keys. 我终于找到了丢失的钥匙。
- Turn up the radio, I can't hear it. 把收音机音量调大些，我听不见。
turn down：拒绝、关小音量
- She turned down his invitation to dinner. 她拒绝了他共进晚餐的邀请。
- Turn down the heat under the pan. 把锅下的火关小些。
turn over：翻身、移交、反复思考
- The baby turned over in bed. 宝宝在床上翻了个身。
- The company has turned over management to a new team. 公司已将管理权移交给一个新团队。
- Turn over the problem in your mind before making a decision. 做决定前要仔细考虑这个问题。
take turns：轮流
- They took turns reading aloud from the book. 他们轮流大声朗读这本书。
in turn：依次、逐一
- Each person spoke in turn. 每个人都依次发言。
by turns：轮流地、交替地
- They laughed and cried by turns. 他们一会儿笑一会儿哭。
turn around：转身、绕着走/跑、改变情况/处境
- Turn around and face me. 转过身来面对我。
- Let's turn around this block and go back home. 我们绕这个街区一圈然后回家。
- His luck seems to have turned around recently. 他最近的运气似乎好转了。
turn out：结果是、证明是、制造/生产出来
- The party turned out to be a great success. 聚会结果非常成功。
- He turned out to be a liar. 结果他是个骗子。
- This factory turns out cars. 这家工厂生产汽车。
以上是 “turn” 的常见用法和一些固定短语搭配。在实际使用中，“turn” 的具体含义可能会根据上下文的不同而有所变化。因此，在阅读或写作时，需要结合语境来理解其准确含义。
