The buzz of conversation suddenly stopped when she came into the room.
她一踏进屋子里，热烈的谈话便戛然而止。
However, when we look a bit deeper, problems begin to emerge.
然而，当我们再看深一点，问题开始出现了。
However, when I started to run, I thought only about the race.
然而，当我开始跑步时，我脑子里只想着比赛。
The earlier neglect of saving, however, makes it difficult not to work when you are older.
然而，早先忽视存钱会让你在年老时很难不去工作。
However, when he found the ticket, he put off the flight and went back to the entrance.
然而，当他找到机票后，他推迟了航班，回到了入口处。
Yet, when something new turns up, more often than not, we do not even know its name.
然而，当新事物出现时，我们往往连它的名字都不知道。
However, similar changes occurred when the subjects were asked simply to open their mouths or to breathe deeply.
然而，受试者仅仅被要求张嘴或深呼吸时，也有类似的变化发生。
However, its height often changes when volcanic material accumulates during eruptions and subsequently collapses.
然而，当火山物质在喷发过程中积累并随后崩塌时，它的高度经常发生变化。
Such experiments cannot, however, reveal whether the birds were reexperiencing the past when retrieving the information.
然而，这样的实验并不能揭示鸟类在获取信息时是否在重新体验过去。
This started changing, however, in the mid-1970s, when America began to deregulate its transportation industry.
然而，这种情况在20世纪70年代中期，美国开始放松对运输业的管制时开始改变。
To a man, however, this is an alien concept because he only talks when he has a solution to offer.
然而，这对一个人来说完全是一种陌生的观念，因为他只有在能提供方案时才会说话。
Mobile technology means we can hold the world in our hands. However, when it comes to technology and health care, opportunities and challenges come together.
移动技术意味着我们可以把世界掌握在自己手中，然而，当涉及到技术和医疗保健，机遇和挑战同时出现。
However, when it works, it is simply beautiful.
然而，当它工作时，简直是美极了。
However, my father always supported me when I tried to sing.
然而，当我试图唱歌时，我的父亲总是支持我。
However, we should be careful when we use them online.
然而，当我们在网上使用它们时，我们应该小心。
However, when we teach history, we are just looking back at the past.
然而，当我们教授历史时，我们只是在回顾过去。
However, Mexicans may use silence when instructions are given by a person in authority rather than be rude to that person by arguing with him or her.
然而，当权威人士给出指令时，墨西哥人可能会保持沉默，而不是粗鲁地与对方争吵。
By the twelfth day, however, when they are about 3 centimetre long, hundreds of tiny eggs form on the underbodies of the females.
然而，到了第12天，当它们长到3厘米长时，就会有成百上千微小的卵在雌蛙的身体下部形成。
However, when my grandfather looked at my paintings on the truck, he laughed loudly.
然而，当爷爷看着我在卡车上的画时，他大笑起来。
The negative side of Henry Ford's statement, however, can be seen when the word business is taken to mean big business.
然而，当“商业”一词被理解为“大企业”时，我们就能理解亨利·福特这句话的负面含义。
Piaget said: "True adaptation to society comes automatically when the adolescent reformer attempts to put his ideas to work."
皮亚杰说：“当青少年改革家试图将他的想法付诸实践时，就自然而然地真正适应这个社会了。”
However, when the lemmings' food supply becomes too low to support the population, a singular migration commences.
然而，当旅鼠的食物供应变得太少而无法维持种群时，一次特别的迁徙就开始了。
However, when Helene and her husband Danny left their home in Vietnam in 1975, they didn't have much money.
然而，当海伦和她的丈夫丹尼1975年离开他们在越南的家时，他们没有多少钱。
When things go wrong, all of us naturally feel disappointed and frustrated.
出问题时，我们自然而然都会觉得失望和沮丧。
When you come down to it, however, the basic problems of life have not changed.
然而，归结起来，生活的基本问题并未改变。
As robots take on ever more complex roles, the question naturally arises: Who will be responsible when they do something wrong?
随着机器人扮演的角色更加复杂，问题自然而然地出现了：若机器人做错事情的话，谁来负责？
However, the idea that extraordinary creativity transcends established limits is misleading when it is applied to the arts, even though it may be valid for the sciences.
然而，非凡创造力超越既定界限的想法在应用于艺术时会产生误导，即使它可能对科学有效。
However, animals can act nicely, even when they don't have to.
然而，动物们即使在不必要的情况下也能表现得很友善。
However, when teachers help pupils to reflect on their own learning and thinking activities, they increase their pupils' self-regulation.
然而，教师在帮助学生对学习和思维活动进行反思的同时，也增强了学生的自我调节能力。
When I left, though, the feeling left, too.
然而，当我离开的时候，那种感觉也离开了。
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