only if

英 [ˈəʊnli ɪf]

美 [ˈoʊnli ɪf]

conj. 只有当

英英释义

adv

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。
China can physically raise production, but that will sustain growth only if China can sell the extra products.
中国可以提高产出，但是只有在中国能够卖出额外产出的情况下，这种增长才是可持续的。
But only if we ask the right questions.
但我们必须要问到点子上。
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。
The medicine works only if taken for a long time.
此药久服方见功。
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。
You can make progress only if you are modest.
惟虚心乃能进步。
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。
One can grasp a foreign language only if he studies hard.
唯有努力学习，才能掌握外语。