only if

英 [ˈəʊnli ɪf]

美 [ˈoʊnli ɪf]

conj. 只有当

英英释义

adv

This ensures that you save the new Hotel only if it doesn't already exist.
这确保了只在新Hotel还不存在时才保存它。
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。
This tip is useful only if you decide to support both javac and ECJ.
如果决定同时支持javac与ECJ，这一提示将很有用。
Missing join predicates, but only if a foreign key is defined.
丢失连接谓词，只在定义了外键的情况下。
But only if we ask the right questions.
但我们必须要问到点子上。
The latter will work only if you are on the same network as the WPAR manager.
仅当您处在与WPAR管理器相同的网络中时，后面一种方法才能正常工作。
One can grasp a foreign language only if he studies hard.
唯有努力学习，才能掌握外语。
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。
But only if you bring in the right people.
但前提是要招对人。
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。