Hitherto he had experienced no great success in his attempt.

到, 他的尝试还没获得成功。

There are only two crimes this year so farmy neighborhood.

到，今年我们居民区才发生两起犯罪案。

So far the search for the missing middle-aged woman has been fruitless.

"到,还没有找到那失踪的中年妇女。"

To date, we’ve received 40 bookings for the holiday, so we’re doing quite well.

到，我们一共收到40个度假的预订，情况不错。

The abysmal academician's acarpous writing had accomplished little in achievements to date.

到，那位深不可测的院士的没有结果的著作仅仅完成了极少数部分。

Consequently RNA interference was observed is eukaryotic organisms including fungi, Arabidopsis,C. elegans, trypanosomes, hydra, planaria, Drosophila, zabrafish, and mouse.

到在真菌、拟南芥、线虫、锥虫、水螅、涡虫、果蝇、斑马鱼、小鼠等真核生物中都发现存在这一基因沉默机制。

Gates expresses, so far, people should value aguish influence, should throw more measure and medicines and chemical reagents and aguish fight.

盖茨表示，到，们应该重视疟疾的影响，应该投入更多的措施及药品与疟疾斗争。

Up to now both sides in the dispute have been cautious, but now the gloves are off and a serious confrontation is expected.

到争论的双方都保持谨慎的态度，但现在他们已不再迴避忍让，一场恶斗即将开始。

Right up to the present day, all experimental data, on scales ranging from subnuclear to galactic, are successfully explained by these three theories.

而到，小至次原子核，大至星系，所有的实验数据，都能用这三大理论圆满地解释。

These tumors, to date, have occurred over a wide age range in postpubertal females, are characteristically unilateral, and confined to the ovary at presentation.

到，这些肿瘤发生于青春期后期女性的一大段年龄范围内，特征性地出现于单侧，仅发生于卵巢。

"But the research so far has been extremely promising," says Dr. Ellen Vitetta, director of the Cancer Immunobiology Center at the University of Texas Southwestern Medical Center at Dallas.

但是位于达拉斯的得克萨斯大学西南医学中心的癌症免疫生物中心主任艾伦·维提塔医生说：“研究到非常有景。”