Pickpocketing is unusual among crimes in that the police must generally observe it firsthand.

I know about the upfront costs firsthand.

我亲身体会到了菜园高额的前期成本.

I heard the news firsthand.

我直接听到这消息.

Take my firsthand experience and advice.

请接受我的切身体验和建议吧.

According to the theory polar , increase polar occurs firstly in the developed area.

根据增长极理论, 增长极首先出现在发达地区.

Firstly, it is lack of basic football skills.

第一, 足球的基本技术不扎实.

It was one of the bronze wares firstly using pottery pattern mental core supporter technique.

这是最早使用陶范法金属芯撑技术的青铜器之一.

You should gather yourself together firstly under conditions of great danger.

在极其危险的情况下你应当先控制住自己.

Firstly, the part explains that A Q has vigorous vitality.

第三部分研究《阿Q正 传》在当今的接受情况.

Firstly, this paper has probed into the synthesis of allyloxy aniline compounds.

本文首先对烯丙氧基苯胺类化合物的合成进行了探索.

Firstly adjust the height of the bicycle saddle properly.

首先要正确调整好座位的高度.

Firstly, at assigning tasks.

第一, 会委派工作.

Firstly, the background of the conflict detection and resolution research being undertaken worldwide is systematically introduced.

首先, 本文对空中交通冲突探测与解决问题的研究背景以及研究现状进行了系统概述.

Vitamin C has many roles to play in weight control. Firstly, it is needed for hormone production.

维生素C在控制体重方面扮演着多重角色。首先，荷尔蒙的生成有赖于它。

Firstly I will prepare for lessons before class.

首先,我要在课前做好预习.

Firstly, the paper dissertates unreasoning prejudice against the Jews.

首先, 论述了对犹太人不公正的偏见.

Firstly, it's expensive, and secondly, it's too slow.

首先是价格贵，其次，速度太慢。

Firstly, the concept of generalized subconvexlikeness for set valued maps is introduced in this paper.

笔者首先引进了广义次似凸集值映射的概念.

Much of Scotland's east coast, either side of the Firth of Forth , was a restricted area.

苏格兰东海岸大部分地区, 即福思湾两岸, 都是禁区.

Firth, established and perfected complete administered and regulatory system to promoting the reform of the government.

建立健全政府运行机制, 全方位实行政府改革.

The hotel is situated on the sheltered shores of the Moray Firth.

旅馆位于马里湾的下风岸.