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

• Don't help her out of pity, but only if you think she deserves it.
  不要因怜悯而帮助她，除非你认为她值得你帮助。
• 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。
• Perhaps, but only if the state-owned company is willing to make some changes.
  也许吧，但只有这家国有企业愿意做一些改变，才可能脱离困境。
• 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。
• 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。
• 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。
• 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。
• But only if you bring in the right people.
  但前提是要招对人。
• They can work more effectively only if the XOL package or other binary XML schema is applied.
  如果应用了XOL包或其它二进制XML模式，这些标准会更高效。