He disciplined himself rigorously, but he found it difficult after a life of ease, and it took him a long time to master completely his thoughts and the passions that were in him.

他对自己戒律严格，但他发现舒适的生活之后要恪守戒律是很困难的，他花了很长的时间才完全控制了自己心里的念头和激情。

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A completely overconfident person (the silent kung fu master in movies) can be just as silent as an extremely under-confident one.

超级自信的人（比方说电影里少言寡语的功夫大师）也有可以跟完全不自信的人一样安静。

youdao

It only takes a newborn four years to completely master the syntax and grammar of language.

新生儿只需要4年就能完全掌握语言的句法和语法。

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The top floors, accessible by both an interior staircase and a metal staircase outside, is dedicated completely to a master bedroom suite.

FORBES: A Penthouse-Style Apartment On The Ground Floor (VIDEO)