unspoken

US /ʌnˈspoʊ.kən/
UK /ʌnˈspoʊ.kən/
"unspoken" picture
1.

不言而喻的, 未說出口的

not expressed in speech; unstated or implicit

:
There was an unspoken agreement between them.
他們之間有一個不言而喻的協議。
Her eyes conveyed an unspoken message.
她的眼神傳達了一個不言而喻的信息。