delicacy

在讨论薪资问题时，他表现出了极大的谨慎和得体。

He showed great ___delicacy when discussing the salary issue.

她说话时的细腻敏感让听众感到舒适。

The ___delicacy of her speech made the audience feel at ease.

这种花的脆弱性使得它需要特别小心的照料。

The ___delicacy of this flower requires extra careful handling.