Her writings have extraordinary depth and solidity.

她写的东西立意极深，内容特别充实。

《牛津词典》

And solidity means victory.

团结意味着胜利。

youdao

As the inside begins to glow at dusk, the contrasting interplay of lightness and solidity is particularly clear.

在室内的黄昏时分，轻盈和坚固的相互作用的对比尤其明显。

youdao

It expresses a sense of permanence and solidity.

VOA: special.2010.06.23

The room has a feeling of solidity and permanence, but it also is a celebration of light and airiness.

VOA: special.2010.01.27

All of Kahn's buildings share a common solidity and heaviness.

VOA: special.2009.12.13

As in all VW's of recent vintage, the Beetle's interior trim lacks a certain richness and solidity.

WSJ: 2012 Volkswagen Beetle Review: The Beetle Mans Up | Rumble Seat by Dan Neil

How can an individual replicate the predictability and solidity of a pension-style plan sized down to one?

FORBES: Five Steps Toward Fixing the Hole In Your Retirement Plan

But there is a further aspect of this portico so crucial to its mix of lightness and solidity: its relative thinness.

WSJ: Prim Grandeur, Elegant Geometries | Charles Bulfinch | Lancaster Meetinghouse | By John Wilmerding