to turn

Even the European dream is beginning to turn sour.

甚至连欧洲之梦都开始破灭了。

He says the fares are just too low to turn profits.

他说票价太低，根本无利可图。

The city's crime rate is a serious turn-off to potential investors.

这个城市的犯罪率使得潜在的投资者望而却步。

They told me to stand still and not to turn round.

他们叫我站着不动，不要转身。

I can't get the screw to turn.

我拧不动这个螺丝钉。

We cannot make this minority a convenient excuse to turn our backs.

我们不能拿少数这几个人作为一种方便的借口而对此置之不理。

The boy had the presence of mind to turn off the gas.

那男孩子镇定地关掉了煤气。

You must signal which way you are going to turn.

你要朝哪个方向转，必须发出信号。

The jet began to turn off the main runway.

那架喷气式飞机开始拐出主跑道。

to do/turn a somersault

做滚翻动作

The fighting is threatening to turn into full-scale war.

这场战斗有可能会演变为全面的战争。

Please turn the television off before you go to bed.

睡觉前请关上电视。

Parliamentarians were eager to turn over responsibility for the decision.

经验老到的议员急于把作决策的责任推卸给他人。

The river widens considerably as it begins to turn east.

河流转向东流时河道大幅度变宽。

I don't suppose you thought to turn over the tape, did you?

我认为你并没想过要把磁带换一面，是吗？

There was no one to turn to, no one to tell.

没人可以求助，没人可以诉说。

He decided to turn professional.

他决定转为职业人员。

She tried to turn her dream of running her own business into reality.

她努力实现经营自己企业的梦想。

He really knows how to turn on the charm.

他确实懂得如何一展魅力。

There would be strong incentives to turn someone in.

向警方举报某人将获重赏。

The janitor comes round to turn the lights out.

看门人巡视一圈，把灯熄灭。

Hard times are forcing community colleges to turn away students.

当下时局艰难，一些社区学院被迫停止招生。

There was a queue of traffic waiting to turn right.

有一大串车辆等着右转弯。

Now we wait for them to turn in their essays.

现在我们等着他们交上作文。

Which switch do I press to turn it off?

我按哪个开关就能把它关了？

We may use the force to turn machines.

我们用这个力去转动机器。

She announced that she was going to turn professional.

她宣布自己即将成为职业选手。

The weather got so bad that we had to turn back.

天气变得非常恶劣，我们不得不循原路折回。

The mirrors are controlled by a computer that directs them to turn along with the sun throughout the day and to close during windy weather ．

镜子是由电脑控制的,电脑引导它们随太阳转动,并在大风天气时关闭。

He was forced to turn for aid to his former enemy.

他曾被迫向以前的敌人求助。