Sure, here's the translation of the categories of traders:

Day Traders:
People who typically trade within a single day, aiming to capitalize on short-term fluctuations and usually closing their positions within the day.

Swing Traders:
Individuals seeking to profit from medium-term market fluctuations. They might hold their trades for several days or weeks and use both technical and fundamental analysis for decision-making.

Position Traders:
These traders aim to profit from long-term market trends, often holding positions for months or even years. They focus on larger trends and long-term analysis.

Algorithmic Traders:
These traders utilize algorithms and computer software to execute trades. They employ complex algorithms that make decisions and execute trades based on market conditions and historical data.

The reasons for traders' failures can vary:

Inadequate Risk Management: Inability to assess and manage trading risks can lead to significant losses. Traders need to identify various risks and effectively deal with them.

Lack of Suitable Strategy: Using an appropriate strategy that aligns with market conditions is crucial. Traders might choose unsuitable strategies that result in negative outcomes under specific market conditions.

Market Probabilities and Volatility: Financial markets are volatile, and unexpected conditions may lead to losses. Traders must adapt well to market fluctuations.

Emotional Decision-Making: Making decisions based on emotions rather than data and technical analysis can lead to mistakes and losses.

Absence of a Proper Management System: Successful traders have robust management systems. The lack of a proper management system can lead to failure.

Lack of Knowledge: Insufficient knowledge about markets, financial tools, and analytical methods can contribute to failure.

Given the complexity of financial markets, traders' failures often stem from a combination of factors rather than a single cause.