turn back on someon
【背弃某人、不再支持某人。】
turn his back /tɜːrn hɪz bæk/
词性： 动词短语
中文意思： 转过身去背对他人；背弃某人；不理会某人。
这里的 turn 是“转动、转身”，his back 是“他的后背”。具体意思要根据语境判断。
1. turn one's back：转过身去，背对某人
- He turned his back and walked away.
他转过身，走开了。
- She turned her back to me.
她背对着我。
2. turn one's back on someone：背弃某人；不再支持某人
这个表达经常用于感情、友情或帮助他人的语境中。
- He turned his back on his family.
他背弃了自己的家人。
- I will never turn my back on you.
我永远不会背弃你。
- Everyone turned their back on him when he needed help.
当他需要帮助时，所有人都不再理会他。
3. 注意时态变化
| 时态 | 表达 |
|---|---|
| 原形 | turn his back |
| 过去式 | turned his back |
| 现在进行时 | turning his back |
听力重点： 在自然口语中，turned his back 往往会连读，听起来接近 turn-diz-back，所以不要只按单词逐个辨认。
记住一个核心区别：
- turn his back：转过身去，背对着别人。
- turn his back on someone：背弃某人、不再支持某人。