In such an atmosphere it is possible to be serious without pompousness and flippant without inanity.

在这样的氛围中， 可以严肃而不浮夸， 轻率而不空虚。

An attempt at letterhead that produces a tacky result or that conveys pompousness produces effects that you want to avoid.

试图在信笺头产生俗气的结果或传达浮夸产生的影响，你想避免。

An attempt at the letterhead that produces a tacky result or that conveys pompousness produces effects that you want to avoid.

尝试使用会产生俗气效果或传达浮夸感的信头会产生您想要避免的效果。