only when

英 [ˈəʊnli wen]

美 [ˈoʊnli wen]

只有当; 除非

英英释义

adv

To reduce contention in the JVM and operating system, use synchronized methods only when feasible.
为了减少JVM和操作系统中的争用，应该只在可行的情况下才使用同步方法。
You can apply xsl: if to generate output only when some other condition is true.
可以应用xsl：if以便只有当其他某些条件满足时才生成输出。
Only when the third opportunity comes will you know clearly what you should do.
而等到第三次机会，明白的人，一定知道应该怎么做了。
A widely known sentence struck my mind that only when you lose something will you know to cherish it.
有一句耳熟能详的话突然间鸣在我的脑际：只有失去了才懂得珍惜。
Only when they got to a safe place, could we regard ourselves as having done our duty.
只有当他们到达安全地方的时候，我们才能认为自己尽到了责任。
Only when you can break free, can a whole new world open up to you.
只有当你打破常规，那么一个全新的世界将向你敞开。
He was rescued only when an exhausted friend swam ashore
当一个精疲力尽的友人游上岸后他才获救。
Only when we witness death will we recognize the preciousness of life.
只有见证了死亡，我们才会真正认识到生命的可贵。
Only when a reservoir is built here can we solve our irrigation problem.
除非在这里修个水库，才能解决灌溉问题。
Only when food and clothing are enough can one behave properly.
衣食足而知礼仪。