In this favourable position of affairs, Noah rose from the ground, and pommelled him behind.

在这种有利的情况下，诺亚从地上站起来，在他身后猛击。

Competitive advantage means when a condition or circumstance puts you in a favourable position in this case, being clean-shaven or having no facial hair.

竞争优势是指某一条件或环境令你处于有利地位。在这里有竞争优势的是不长胡子的人。