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

• 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 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。
• 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。
• You can make progress only if you are modest.
  惟虚心乃能进步。
• 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。
• But only if you bring in the right people.
  但前提是要招对人。
• 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 medicine works only if taken for a long time.
  此药久服方见功。
• A NOT FENCED stored procedure is recommended only if you consider the code safe to execute.
  只有在您认为代码能够安全执行的情况下，才应该使用NOTFENCED存储过程。
• 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。