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

• Please make the changes only if no-one has modified the record since I read it.
  请仅在从我读取该记录后没有人进行修改的情况下进行更改。
• The password is required to open the truststore only if you wish to add certificates to it.
  仅当您要向信任存储添加证书时，您需要这个密码来打开信任存储。
• 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。
• The lawyer is paid only if he wins
  只有官司赢了才支付律师费。
• 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。
• But only if we ask the right questions.
  但我们必须要问到点子上。
• A partition is locked only if a reference is found.
  只有发现了引用，分区才锁定。
• 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。
• 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 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。