only if

Only if the red light comes on is there any danger to employees .

只有红灯闪亮时才有危及职工的险情。

Political attacks work only if they find an echo with voters .

政治攻击只有在选民中引起共鸣才会有作用。

Children are admitted only if accompanied by an adult .

儿童必须有成年人陪同方可入场。

Syria will attend only if the negotiations deal with issues of substance .

只有在谈判涉及重大问题时叙利亚才会参加。

The placebo effect can be understood only if we acknowledge the unity of mind and body .

只有我们承认身心一体，安慰剂效果才能被理解。

The lawyer is paid only if he wins

只有官司赢了才支付律师费。

The meat market can continue only if it is radically overhauled to conform with strict European standards .

肉类市场只有经过彻底的大检查，严格遵守欧洲标准，才能继续营业。

The two sides will clash there only if Chelsea beat Sunderland in their quarter-final replay .

只有切尔西队在四分之一决赛的重赛中击败桑德兰队，双方才会交锋。

I 'll do that , but only if we set a few rules .

我可以干，但我们得定几条规矩。

You can make progress only if you are modest .

惟虚心乃能进步。

The medicine works only if taken for a long time .

此药久服方见功。

I 'll go only if you go with me .

除非你跟我去，我才去。

One can grasp a foreign language only if he studies hard .

唯有努力学习，才能掌握外语。

That would be true only if you believed that patients should have an unrestrained right to treatments proven to be inferior .

只有当你相信病人应该有不受限制的权利接受即使是被证明低劣的治疗时，这才是真的。

They are dangerous only if programmers are careless .

只有当编锃者粗心大意的时候机器人才是危险的。

Where the penalties are not a must , they should be imposed only if the facts of a case support it .

非必须的处罚只有在案件事实支持的情况下才应予以实施。

Within the US , towns have become star , up hubs if and only if they have both rich people and nerds .

在美国，只有既有富人又有书呆子时，城镇才能成为明星、城市的中心。

Use a fire extinguisher only if you have been trained to do so ．

只有经过训练后才使用灭火器。

However , we can achieve meaning only if we have made a commitment to something larger than our own little egos , whether to loved ones , to fellow humans , to work , or to some moral concept ．

然而只有对比自我更大的东西作出承诺，比如爱人、人类同胞、工作或某种道德观念，才能实现意义。

All this is possible only if I like what I do .

只有当我喜欢我的工作时，这一切才有可能。

So , everyone can have a good fortune only if he tries his best .

所以，每个人只有拼尽全力才能获得好运。

E : Only if the government will take some appropriate measures , will this intractable problem be tackled .

雅思写作高分句型整理之十：倒装句只有政府采取适当的措施，这个棘手的问题才能被解决。

Bidders should proceed only if they intend on using a PayPal account to complete payment . Bidders

的唯一形式，应继续只当他们在使用贝宝帐户，以完成付款打算

The living will is used only if the individual has become unable to give informed consent or refusal due to incapacity .

生前预嘱只能在个人无法做出知情同意或否决的决定时使用。

Only if you tell me why you don 't like rose .

除非你告诉我为什么你不喜欢罗斯。

Only if saving technology is widely used would resource-saving agriculture develop better .

只有节约型技术被广泛应用才能更好地发展资源节约型农业。

This option is usually set only if the source server is in a different site .

通常仅当源服务器位于不同站点时，才设置此选项。

That is , I want continuity only if it promises the new state ;

也就是说，我想要持续性，只是希望它能带给我们新境界；

Only if the natural monopoly business part should be applicable to the general market competition rule .

非自然垄断业务部分则应运用一般的市场竞争规则。

Only if you give me ten dollars .

如果你给我十块钱。