only if

英 [ˈəʊnli ɪf]

美 [ˈoʊnli ɪf]

conj. 只有当

英英释义

adv

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。
I'll go only if you go with me.
除非你跟我去，我才去。
But only if you bring in the right people.
但前提是要招对人。
One can grasp a foreign language only if he studies hard.
唯有努力学习，才能掌握外语。
China can physically raise production, but that will sustain growth only if China can sell the extra products.
中国可以提高产出，但是只有在中国能够卖出额外产出的情况下，这种增长才是可持续的。
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 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。
A partition is locked only if a reference is found.
只有发现了引用，分区才锁定。
The medicine works only if taken for a long time.
此药久服方见功。
Marty finally agreed, but only if Fred would go there with him to give him courage.
马蒂最终同意了，但是要求佛瑞德和他一起去，给他鼓气。