c. 1400, "inexpressible," from un- (1) "not" + speakable (see speak (v.)). Meaning "indescribably bad or wicked" is recorded from mid-15c. Related: Unspeakably.
权威例句
1. The judge described the offences as nauseating and unspeakable.
法官将这些犯罪行为描述为“令人作呕、说不出口”。
2. The pain is unspeakable.
疼起来厉害得无法形容。
3. She suffered unspeakable trouble while she considered all these questions.