mastered

He has mastered every detail of the business.

他已精通意的每一个细节。

It's not difficult to understand this world when you mastered the internal relations of things.

掌了事物的内部联系你就难理解这个世界。

He has mastered the ship's crew.

他已能管住全体船员。

I never mastered Latin.

我从未能掌拉丁文。

This fact indicates that China has already mastered, and has been continuously improving, its dispenser design technique.

这些事实表明中国早已掌断发展配器设计技术。

The energy released by the watch engine, the barrel, must be mastered, controlled and distributed parsimoniously at a rate corresponding to the real flow of time, to its exact measure.

机械表发条盒的能量释放，应该是可以控制地、均匀地、稳定地、可测量地在释放的过程中。