only if

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。

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。

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。

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。

Only if he turns over a new leaf.

除非他重新做人.

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.

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。

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。

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。

If you can only exercise once a week, that's better than nothing.

即便是一个星期锻炼一次，也比完全不锻炼好。

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。

If you don't do it now, you'll only regret it .

你如果现在不做，以后一定会后悔的。

I told him I would work for him only if I could have a finger in the pie.

我告诉他我愿为他工作,只要让我参与此事.

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。

Only if we handle them with kid gloves.

只要我们小心行事就行了.

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

Children are admitted only if accompanied by an adult.

儿童必须有成年人陪同方可入场。

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。

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

唯有努力学习，才能掌握外语。

Thick accumulations of peat can form only if the swamp basin slowly subsides.

只有当沼泽盆地慢慢下陷时,厚厚的泥炭堆积才能形成.

What's your problem? ─ I only asked if you could help me for ten minutes.

你有毛病啊？我只是问问你能不能帮十分钟的忙而已。

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。

The after effect occurs only if the additive is present during irradiation.

在辐照过程中只有当添加剂存在时才出现后效应.

You can make progress only if you are modest.

惟虚心乃能进步.

Positive semi-definite matrices are positive definite if and only if they are nonsingular.

正半定矩阵是正定的,当且仅当它们是非奇异矩阵.

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 remarkable part of Karatowski's theorem is the " only if " part.

库拉图夫斯基定理的卓越部分在于他的 “ 仅当 ” 部分.

He said he would resign if he didn't get more money, but it was only a bluff.

他说如果不给他加薪他就辞职，但那不过是虚张声势而已。

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。