Translation guide
The English word 'penetration' covers physical entry into something, deep understanding, and market entry. This guide helps learners choose the right Japanese expression for each meaning.
Describing something going into or through a physical object, material, or barrier.
Used for objects passing completely through something, like a bullet through a wall or a tunnel through a mountain.
The bullet penetrated the wall.
Used for liquids or ideas seeping into or permeating something, like water into soil or a concept into society.
Rainwater penetrated the ground.
Intransitive verb for something sharp piercing and sticking into something. Emphasizes the result of being stuck in.
The arrow penetrated the target.
Transitive verb for stabbing or thrusting something sharp into something else.
He penetrated the desk with a knife.
Used for illegal or forceful entry into a place, like a burglar entering a building or a hacker into a system. More about trespassing than physical piercing.
The hacker penetrated the system.
Describing a thorough analysis or grasp of a complex subject.
Refers to keen insight or discernment, often used for penetrating analysis.
His insight penetrates to the heart of the problem.
A straightforward phrase meaning 'to understand deeply'. Natural and common.
Idiomatic phrase meaning 'to hit the core/essence', often used for penetrating questions or remarks.
Describing a company entering a new market or increasing its share.
Standard business term for entering a new market.
The company is planning penetration into the Asian market.
Refers to market penetration rate, often used in marketing contexts.
Commonly used for a company expanding into a new geographical market or business area.
In sexual contexts, direct translation of 'penetration' can sound clinical or unnatural. Japanese often uses euphemisms or specific verbs depending on the situation. If you need to express this, consider consulting a native speaker for appropriate phrasing.
He has a deep understanding of the theory.
Her question was penetrating.
Smartphone penetration exceeded 90%.
その会社は海外進出を果たした。
The company achieved overseas market penetration.