She was very serious, disciplined and hard working, but extremely dull.

她十分的认真，严于律己而且工作勤奋，但是十分的无聊。

youdao

Samuel Haldeman had already observed that these small creatures live in unity, are hard-working, prudent and disciplined.

萨缪尔.海德门已观察到这些小精灵们生活在统一中，工作努力，谨慎并且富有秩序。

youdao

Generally hard-working, disciplined and dedicated to getting the job done, they are often puzzled by what they see as the Zambians' often lackadaisical attitude to life.

一般来说，他们都是努力工作，自律性高，细心工作，通常对赞比亚人那种慵懒的生活态度感到不解。

youdao

Head coach Bert van Marwijk has infused the Dutch team with many of the virtues traditionally associated with Germany, where he coached Borussia Dortmund from 2004 to 2006: Today's Netherlands team is well-drilled, disciplined and, above all, hard-working.

WSJ: Like for Like Among Old Rivals