only if

英 [ˈəʊnli ɪf]

美 [ˈoʊnli ɪf]

conj. 只有当

英英释义

adv

I'll go only if you go with me.
除非你跟我去，我才去。
The medicine works only if taken for a long time.
此药久服方见功。
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。
A partition is locked only if a reference is found.
只有发现了引用，分区才锁定。
They can work more effectively only if the XOL package or other binary XML schema is applied.
如果应用了XOL包或其它二进制XML模式，这些标准会更高效。
One can grasp a foreign language only if he studies hard.
唯有努力学习，才能掌握外语。
Use it only if you must have its features or if you want to contribute to Samba development.
如果您一定要试用其功能或者想要帮助Samba开发，可以使用它。
But seriously, these tricks will work only if you have at least the basics of English.
但是，说真的，这些窍门要想发挥作用，至少要有基本的英语能力。
Don't help her out of pity, but only if you think she deserves it.
不要因怜悯而帮助她，除非你认为她值得你帮助。
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。