CWould you please help me by correcting anything that's wrong or sounds unnatural in my sentences? Would you please help me by correcting anything that's wrong or sounds unnatural in my sentences?

Also, I'd like to get your advice on how to talk to foreignEnglish speakers. Also, I'd like to get your advice on how to talk to English speakers.

The more I think about it, the more I think you mean, how to speak to English speakers.

What did he say righDid you catch what the announcement said just now? Did you catch what the announcement said just now?

What did he say righjust now? What did he say just now?

This sounds more natural in the US.

A: The announcement saidYeah, there’s been a delay. A: Yeah, there’s been a delay.

A: The announcementHe said there’s been a delay. A: He said there’s been a delay.

This sounds more natural in the US.

A: Probably there's been an accident causing injury or deathUsually it's because of an accident on the tracks. A: Usually it's because of an accident on the tracks.

The last half is quite formal.

A: Probably there's been an accident causing injury or deathThere's probably been an accident. A: There's probably been an accident.

We'd never use this phrase in the US while speaking to a total stranger: "causing injury or death"

B: HLike someone got hit by a train? B: Like someone got hit by a train?

B: Hit by a trainA train accident? B: A train accident?

We'd never say what you wrote originally either. It's too direct.

Maybe not, but in Japan, when I say an accident by train, it is, maybe not. In Japan, 'accident' usually ameans suicide. Maybe, maybe not. In Japan, 'accident' usually means suicide.

Maybe not, but in Japan, when I say a train accident by train, it i's usually a suicide. Maybe not, but in Japan, when I say a train accident, it's usually a suicide.