Best way to identify trend for beginners

Do you think EA will be a market trend?

In the era of bad technical indicators, can you still make money from technology?

What do you think is the most important thing in trading?

Why do we still fail to trade after learning so many trading indicators?

I have had a few positions liquidated recently, but fortunately the losses were not very large. I would like to ask everyone, is there any way to prevent liquidation? Is there any trading discipline?