Senses
说不得/ 說不得 unmentionable
cannot or should not be said, such as secrets or scandalous language
说不得/ 說不得 to have to
to have no choice but to do something; to be unavoidable
说不得/ 說不得 extremely
used after a verb or adjective to indicate an extreme or unbearable degree; same as 不得了
说不得/ 說不得 to have no say
to have no say in a matter; to have to comply without objection
说不得/ 說不得 unspeakable
unable to be explained or even started upon due to complexity or difficulty