By learning many important idioms, you can develop a high level of competence in your communication skills.

而学习许多重要习语，则可以帮助你提高交流的技能技巧。

Mr Stevens’ appointment was a typical case of promoting a man beyond his level of competence.

【typical】史蒂文斯先生的任命是的小材大用。

Essentially, it has all of the functions of living animals, even if it has different levels of competence in some of these areas than we do.

从本质上说，它拥有活体动物的所有功能，即使它在其中一些领域的能力水平与我们不同。