He told his son that one feels pain only when the fruits of labor are wasted.
他告诉儿子，只有当劳动的果实被浪费时，才会感到痛苦。
Other species take into account the changing conditions of light by performing their visual displays only when the light is favorable.
其他物种只在光线适宜时才会展示它们的视觉形象，以此来考虑光的变化情况。
In general, your attitudes will be internally consistent only when the behavior is easy, and when those around you hold similar beliefs.
一般来说，只有当行为简单而且周围的人和你有相似的信念时，你的态度才会表现得与内在一致。
It is only when the faculty of smell is impaired for some reason that we begin to realise the essential role the sense of smell plays in our sense of well-being.
"只有当嗅觉能力因为某种原因受到损害时，我们才开始明白嗅觉对健康的重要作用。
Such events occur only when the external conditions are favourable.
此类事件只有当外界条件有利时才会发生。
Only when the glow had subsided, was Heidi able to follow the path again.
天色渐渐黯淡下来后，海蒂才能再次沿着小路走。
"Only when the Tooth Fairy buys the lost tooth from us, can we grow a new tooth." Logan nodded.
“只有牙仙把掉的牙买回来，我们才能长出一颗新牙。”洛根点了点头。
It was only when the car pulled up in front of our house that we saw Lily in the passenger seat.
直到车停稳在我们家门前时，我们才看到莉莉坐在乘客位置上。
It was only when the hull was hanging freely from the lifting frame, clear of the seabed and the suction effect of the surrounding mud, that the salvage operation progressed to the second stage.
只有当船体从升降架上自由悬挂，脱离海床和周围泥浆的吸力作用时，打捞工作才进入第二阶段。
You can do this action only when the server is stopped.
仅在服务器停止时才能进行此操作。
Only when the Empress died, did you start to come here.
皇后死后，你才开始来这。
That option can be set only when the extension is created.
只有当创建扩展时才能设置选项。
This caching happens only when the default Context is used.
只有使用默认上下文时才会进行高速缓存。
A work item should be approved only when the review is complete.
工作项只有在评审完成时才能通过。
Only when the bacteria become active do people become ill with TB.
只有在这些细菌变为活动性时，人们才罹患结核。
COUNTRIES generally hit the headlines only when the news is bad.
通常情况下，国家只有在发生不好的事情时才会在新闻的大字标题中出现。
Only when the substance is inhaled or swallowed does it become fatal.
只有口服或者误吞服这种毒素，才会使人立刻丧命。
Only when the stone is removed can it spring up freely into the light.
只有推开了石头，植物才能自由地、蓬勃地在阳光下生长。
Only when the rebels get closer to Tripoli will real negotiations begin.
只有当反叛力量逼近（利比亚首都）的黎波里时，真正的谈判才会开始。
But they work only when the origin of the clothes in question is obvious.
但是实验分析成立的前提是实验中服装都明显是属于穿着者的。
He gets close to wildlife at times, but only when the animals come to him.
他有时候和野生动物有近距离的接触，但也只是那些动物主动靠近他。
Only when the teacher dismisses the class can we stand and leave the room.
只有老师向我们宣布了下课时，我们才能站起来离开教室。
Only when the final bell sounded did she find the nerve to take the plunge.
只有当下课铃声响起时，她才鼓起勇气跳了下去。
The menu markup is generated only when the C2A source menu icon is clicked.
只当点击c2a源菜单图标时，才会生成菜单标记。
Real men do cry., but only when the emotion segment of the brain is engaged.
只有在大脑情绪区卷入的情况下，真正的男人才真的会哭。
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。
Only when the train's speed and pitch changed did the windowpane become silent.
只有当火车的速度和距离改变了，窗玻璃才静止下来。
Again, they were able to keep to a straight path only when the sun was visible.
再一次，他们只能在有太阳的时候才能保持直线。
Some properties fire only when the value changes, others when the input changes.
有些属性在值改变时触发，有些属性在输入改变时触发。
Only when the price retreats will the housewives of Delhi go back to being net buyers.
德里的家庭主妇们只会在金价回落之后才会重新净买入。
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