1
make a U-turn
The driver made a U-turn in the middle of the street.
司机在路中间做了一个U形转弯。
掉头；U形转弯；完全转向
先理解核心含义，再看它在真实句子里的用法。
掉头；U形转弯；完全转向
a 180-degree turn, especially by a vehicle, to go back the way you came
The driver made a U-turn in the middle of the street.
司机在路中间做了一个U形转弯。
A turn in a vehicle carried out by driving in a semicircle in order to travel in the opposite direction.
完全掉头
complete reversal of direction of travel
A reversal of policy or opinion.
The driver missed the exit, so he made a U-turn at the next intersection.
司机错过了出口，于是在下一个十字路口掉头。
She checked her mirrors and carefully attempted a U-turn on the narrow street.
她看了看后视镜，然后小心地在狭窄的街道上尝试掉头。
A sudden U-turn on a busy road can easily cause an accident.
在繁忙的道路上突然掉头很容易引发事故。
The driver made a U-turn in the middle of the street.
司机在路中间做了一个U形转弯。
比喻义，表示完全改变立场或决定。
The government did a U-turn on its tax policy.
政府在其税收政策上来了个180度大转弯。
Not this
He U-turned suddenly.
Use this
He made a sudden U-turn.
U-turn是名词，不能当作动词使用。英语中表示‘做U形转弯’要用make a U-turn结构。
Not this
He made U-turn.
Use this
He made a U-turn.
U-turn是可数名词单数，前面需要加冠词a。错误可能源于汉语没有冠词概念，且U-turn以辅音音素开头，不用an。
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Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
Use U-turn naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.