diffidence

noun

Her diffidence prevented her from speaking up in meetings.

意味（1）

The state of being diffident, timid or shy; reticence or self-effacement.

Without scruple—without apology—without much apparent diffidence, Mr. Elton, the lover of Harriet, was professing himself her lover.

意味（2）

(obsolete) Mistrust, distrust, lack of confidence in someone or something.

[Charles, King of France]: We have been guided by thee hitherto,

And of thy cunning had no diffidence:

One sudden foil shall never breed distrust.