Word · Frequency #18643
undetected
未被察觉的；未被发现的
核心释义
not noticed or detected
- 1.
未被发现的；未被察觉的。
Not found; undiscovered.
未被发现的；未被察觉的。；未被发现的
用法In use
The virus remained undetected for weeks.
用法提示：undetected 作表语，与 remained 构成系表结构，表示状态“未被察觉的”。
She managed to leave the building undetected.
用法提示：undetected 作主语补足语，描述主语离开时未被察觉。
The error went undetected until the final review.
用法提示：undetected 作表语，与 went 构成系表结构，表示“未被发现地过去”。
remain undetected
remain 作系动词，后接形容词作表语，强调持续处于未被发现的状态。
The virus can remain undetected for weeks.
这种病毒可能数周都未被发现。
go undetected
go 在此表示变为或保持某种状态，go undetected 常指未被察觉而通过。
Many errors go undetected during the review.
相关词与表达Connections
搭配Collocations
- go undetected
- 未被发现；不被察觉
- The spy was able to go undetected for many years.那名间谍多年来一直未被发现。
- remain undetected
- 一直未被发现
- Some tumors remain undetected until later stages.有些肿瘤直到晚期才被发现。
- undetected error
- 未被发现的错误
- An undetected error in the code caused the system to crash.代码中一个未被发现的错误导致系统崩溃。
- undetected disease
- 未被察觉的疾病
- Early screening can help catch undetected disease.早期筛查有助于发现未被察觉的疾病。
- pass undetected
学习提示Learner notes
记忆技巧Memory Tip
回想安检门：你悄悄走过，机器没响——un（不）+ detected（被检测到）= 未被发现的。
语境与语域Context & Register
语域：neutral 常见场景：医学检查、安全监控、新闻报道 该词属于中性偏正式的书面用语，通常用于医学检查、安全监控或新闻报道等场景；口语中更常说 didn't notice 或 was not found。
发音与拼写Pronunciation & Spelling
除 undecided 外，detected、expected、respected、protected、corrected 都与 undetected 押韵：其重读音节均以 /-ɛktɪd/ 结尾，与 undetected 的 -tected 发音相同。undecided 开头拼写相似，但读作 /ˌʌndɪˈsaɪdɪd/，并不押韵。
Dictionary facts from ECDICT, WIKTIONARY.