潜せん入にゅう
Meanings
Noun
Verb (する, intransitive)
1. infiltration; sneaking in; going undercover
We received word that they had infiltrated Japan.
Kanji used
lurk
enter
Pitch accent
せ
んにゅう
Top 6400
Used in vocabulary (2 in total)
intruder; infiltrator
infiltration activities; undercover operation; covert work
Examples (5 in total)
They were conducting an undercover investigation.
We received word that they had infiltrated Japan.
Even though it is called infiltration, it is not that difficult.