她的情绪时而抑郁，时而亢奋。
这个制度早已过时而且不公平，需要改变。
该共和国总统施政时而大胆，时而谨慎务实。
The president of the republic oscillated between a certain audacity and a prudent realism.
安妮时而微笑，时而大笑，显然为受到瞩目而陶醉。
Annie was smiling and laughing, clearly revelling in the attention.
这个钟是正点打点报时而不是半小时打点报时。
上个星期天，唱诗班的指挥大吃一惊，时而平静，时而活泼，时而温柔，伴着钢琴立柱和美妙的音乐。
Last Sunday, the choirmaster was jumping out of his skin, stormy then still, playful then tender, on the most upright of pianos and melodies.
人们不会因为耐心排着长队等火车、公共汽车或地铁，或者坐在刮风的平台上长达半个小时而感到烦躁。
There is no irritation caused by waiting for trains, buses or underground trains, standing in long patient queues, or sitting on windy plat forms, for as long as half an hour sometimes.
人们不会因为耐心排着长队等火车、公共汽车或地铁，或者坐在刮风的平台上长达半个小时而感到烦躁。
There is no irritation caused by waiting for trains, buses or underground trains, standing in long patient queues, or sitting on windy plat forms, for as long as half an hour sometimes.
除其他弱点外，城市在独自应对空气污染时而必须采取的措施存在政治上的争议，因此也很易受到攻击。
Among other weaknesses, the measures cities must employ when left to tackle dirty air on their own are politically contentious, and therefore vulnerable.
越来越多的公司正在意识到变革性技术的重要性，它几乎能令一条产品线、甚至是整个业务部门都因过时而被淘汰。
More companies are learning the importance of destructive technologies—innovations that hold the potential to make a product line, or even an entire business segment, virtually outdated.
他时而支持我，时而反对我。
书中的文字时而会注明日期。
我时而高兴，时而消沉。
DB 2在编译时而不是运行时检查该变量。
DB2 checks this variable at compilation time — not at run-time.
飞机时而向左时而向右滚动，最终机翼触地。
The plane rolled left and then rolled right. Then he caught an edge of his wing on the ground.
长长的脖子时而抬起，时而弯下，一次又一次。
The long necks were lifted and curved down, again and again, it went on for a long time.
长长的脖子时而抬起，时而弯下，一次又一次。
The long necks were lifted and curved down,again and again,it went on for a long time.
它时而加速时而减缓，并且当它转动时总是在摇摆。
It speeds up and it slows down and it wobbles as it rotates.
你的音调一定要丰富而清晰——时而大声时而轻柔都是必要的。
Your tone should be rich and clear - louder and softer as needed.
喂养它们的女子常常跳舞取悦它们，她时而以手舞蹈，时而以足舞蹈。
And she who feeds them dances for their pleasure, and sometimes she dances on her hands and at other times she dances with her feet.
他们穿梭在高峰期的车流中，时而骑上人行道，时而转进迷宫般的胡同。
They weave through rush-hour traffic, mount pavements and roar down the labyrinthine alleys known as soi.
稻苗在微风中摇曳，鸭子们时而把头伸进水中，时而整理着它们的羽毛。
The young shoots of rice are waving in the breeze, and the ducks are in turn thrusting their heads beneath the water and preening their feathers.
从1946年起，婕玲开始在英国地名研究会工作，时而全职，时而兼职。
Mrs Gelling worked for the English Place-Name Society, formally and informally, from 1946.
我们对你的上班情况非常了解-坐在桌前，时而打印东西，时而讲讲电话。
We have a pretty good idea of what you’re doing when you’re at work - sitting at your desk, typing stuff, maybe talking on the phone every once in a while.
观众时而为这只小猪笑得前仰后合，时而又不禁为它质朴乐观的个性而泪盈于睫。
While the audience laugh their heads off, they also can`t help getting a bit tearful over the unsophisticated but upbeat piggy.
尽管如此，他还是被桑德海姆那时而甜蜜时而酸楚，融合和谐与不和谐的音乐深深折服。
Still, he came to admire the sweet-and-sour mix of harmony and dissonance in Stephen Sondheim's intricate songs.
海洋表面温度的模型是时而升高时而下降，而非持续维持上升方向，这可能是重要的原因。
Patterns of sea-surface temperature which come and go, rather than absolute levels that continue to rise, may be the important thing.
海洋表面温度的模型是时而升高时而下降，而非持续维持上升方向，这可能是重要的原因。
Patterns of sea-surface temperature which come and go, rather than absolute levels that continue to rise, may be the important thing.
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