Translation guide
How to express chasing or pursuing someone or something in Japanese, depending on intent and context.
Physically running after someone or something to catch them or follow them.
The most common and natural verb for 'run after' or 'chase' with the intent to catch.
The dog is running after the cat.
He ran after the thief.
A slightly more formal or literary verb for 'chase' or 'pursue'. Can also be used figuratively.
The police are running after the criminal.
Literally 'follow after', often used when someone leaves and you go after them.
She ran after him out of the room.
Going after someone to accompany them or see where they go, without the nuance of catching.
Figuratively 'running after' someone in a romantic or obsessive way.
Means to chase around or pester someone, often with a negative connotation of being overly persistent.
He's always running after her.
Literally 'persistently chase', used for someone who won't leave another alone.
He keeps running after her persistently.
Trying to catch up to someone ahead in a race or contest.
Means to catch up or gain on someone, often used in sports or competitive contexts.
He is running after the lead runner.
Do not translate 'run after' literally as 走って後ろに行く or similar. Use the appropriate verb for chasing or following.
run to the back (incorrect for 'run after')