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

• The medicine works only if taken for a long time.
  此药久服方见功。
• A partition is locked only if a reference is found.
  只有发现了引用，分区才锁定。
• But only if we ask the right questions.
  但我们必须要问到点子上。
• 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。
• 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。
• You can make progress only if you are modest.
  惟虚心乃能进步。
• 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。
• I'll go only if you go with me.
  除非你跟我去，我才去。
• 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。
• 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。