only when

英 [ˈəʊnli wen]

美 [ˈoʊnli wen]

只有当; 除非

英英释义

adv

Only when this is properly done can you really consider making changes in your system.
仅当正确地完成了这些工作之后，您才可以考虑对系统进行实际的更改。
The company's troubles started only when it diversified into new products
当公司增加新产品时，麻烦才开始的。
Only when food and clothing are enough can one behave properly.
衣食足而知礼仪。
Only when our theory combines with practice can the former become areliable knowledge.
只有当理论与实践相结合时，它才变成经得住考验的知识。
Only when each logical step has been checked by other mathematicians will the proof be accepted.
只有每一逻辑步骤都被其他数学家验证之后，证明才能成立。
Wife: No, only when he's drunk.
妻子：不，只有当他醉了的时候。
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。
Additional content is loaded dynamically, but only when it's needed.
额外的内容只在需要时动态地装载。
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。
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。