qián​rù

infiltrate

潜入 (潛入) qián​rù
infiltrate verb
to sneak into or enter a place secretly and stealthily

The spy infiltrated the enemy base under the cover of night.

submerge verb
to go underwater or dive into a liquid

The diver dived into the freezing lake water.

Frequency

Movie subtitles
5.96 per million appears in 3% of films
Written text
3.99 per million

Sources

Definitions
CC-CEDICT