only if

英 [ˈəʊnli ɪf]

美 [ˈoʊnli ɪf]

conj.  只有当

英英释义

adv

• never except when
  1. call me only if your cold gets worse
  Synonym:onlyonly when

双语例句

• 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。
• You can make progress only if you are modest.
  惟虚心乃能进步。
• Remember that the type is defined only if you use a location in the grammar!
  记住，只有当您在文法中使用位置时才会定义类型。
• 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。
• 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。
• 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。
• 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。
• I'll go only if you go with me.
  除非你跟我去，我才去。
• 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。
• 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。