单词U-turn
n.: (车辆等的)作 U 形转弯；似 U 形转弯的东西
v.: 作 180 度大转弯
网络: 不准掉头；U形转弯；调头
（汽车等的） U 形转弯，180 度转弯:
a turn of 180˚ that a vehicle makes so that it can move forwards in the opposite direction
（政策、行为上令人尴尬的）彻底转变，180 度大转变:
a complete change in policy or behaviour, usually one that is embarrassing
作 180 度大转弯
调头
U形转折
回头转弯
复数：u-turns
n.turnrotationrevolutionabout-turnabout-face
There was no question of a policy U-turn.
政策急剧大改变是没有问题的。
Yet the Fed"s credibility could be at stake if it allowed itself to be bullied into a late U-turn that is not clearly justified by the data.
不过，如果美联储让自己屈从压力，在最后关头完全改变立场，而这种改变又没有确凿数据的支撑，那它的信誉也就岌岌可危了。
Mervyn King, Bank of England governor, was forced into a policy U-turn yesterday in an attempt to ease pressure on the UK banking system.
英国央行（BankofEngland）行长默文•金（MervynKing）昨日被迫进行政策“调头”，试图缓解英国银行系统所面临的压力。
From some perspectives, this sudden fascination with the past marks something of a U-turn.
以某些观点来看，这种对历史突如其来的迷恋犹如180度大转弯。
The democratic Party used to be against the tax increase, but since the runaway inflation, it took a U-turn on it"s tax policy.
民主党本来是反对加税计划的，但由于通货膨胀加剧，民主党的税收政策来了个180度的大转弯。
There may have been a closet regulatory U-turn, since regulators failed to support the deal publicly when the revolt kicked off.
监管机构的态度可能悄然出现逆转，因为在抵制行动开始时，监管机构没有公开支持此笔交易。
Before making a U-turn, Mr. Higuchi stepped out of his truck and adjusted his black baseball cap as he talked to some neighborhood boys.
调头返回前，通口先生走下车，整理了一下他的黑色棒球帽，与附近的一些男孩交谈。
Faced with a population at such an advanced stage of ageing , the German government has executed a dramatic policy U- turn .
面对如此严重的老龄化人口，德国政府已实施行戏剧性的政策逆转。
Keyboard keys accelerated keys back, the front control around key ups and downs of the space bar to a U-turn.
键盘上键加速，下键后退，左右键控制车头起落，空格键调头。
He did not mention that a run of bad inflation figures (up to 4. 4% in February) has made a fiscal U-turn trickier.
预算中他并没有提到2月份通胀数据达到了4.4%，这个糟糕的数字使财政状况急转直下。