only when

英 [ˈəʊnli wen]

美 [ˈoʊnli wen]

只有当; 除非

英英释义

adv

She looked quite young from a distance and only when I saw her at close quarters did I realize how old she really was.
从远处看她显得很年轻，但走近一看，我才明白她已有很大年纪了。
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。
It was only when he finally drifted off to sleep that the headaches eased.
只有当他最后迷迷糊糊睡着时，他的头痛才有所减轻。
'Are you jealous?' — 'Only when I'm not in control,' he says, not missing a beat.
“你眼红吗？”——“除非我把持不住自己，”他毫不犹豫地说道。
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。
Only when agriculture is fully developed can industry have sufficient materials and markets.
只有农业发展了，工业才有足够的原料和市场。
The non-bleed controller uses air only when exhausting the line to the controlled device.
无放流式调整节器只有在通至调节机构的管道排气时，才消耗空气。
This limits your process to grow only when needed.
这就将您的流程限制为仅在需要时才增长。
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。
It is spring only when all the flowers are blooming.
万紫千红才是春。