这张桌子的坚固性令人满意，完全不用担心它会摇晃。

The ___solidness of this table is satisfying, so there's no worry about it wobbling.

他工作的可靠性使他成为团队中最受信任的成员。

His ___solidity at work made him the most trusted member in the team.

她在危机中表现出的坚定品格赢得了大家的尊重。

Her ___solidity of character during the crisis earned everyone's respect.