Clear expression is the hallmark of good writing.

表达清楚是特色。

One hallmark of a good politician is his ability to influence people.

衡量一个优秀政治家标志之一就是他影响大众能力。

Drusen, the white yellowish deposits that can be seen in funduscopy, are a hallmark of age-related macular degeneration.

玻璃疣是白黄色沉积物，是年龄相关性黄斑变性标志性病变。

The burglary had all the hallmarks of a professional job.

从各方面来看,这起入室行窃案都是职业惯犯做。