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。
A partition is locked only if a reference is found.
只有发现了引用，分区才锁定。
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。
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 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。
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。
Money can buy happiness, but only if you spend it on someone else, researchers reported.
研究人员日前称，金钱可以买到快乐，但前提是你得把钱花在别人身上。
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。