中文：

K线图是一种常见的股票技术分析工具，它通过将每日股票价格变动以图表形式呈现，反映出股票的开盘价、收盘价、最高价和最低价等关键信息。K线图由一条垂直的线和一条水平的时间轴组成，垂直线表示股票价格的变动，水平轴表示交易日的时间顺序。

根据K线图，投资者可以观察股票价格的走势和波动情况，进而分析股票的买卖点、趋势和风险等。K线图通常包括阳线和阴线两种类型，阳线表示收盘价高于开盘价，阴线表示收盘价低于开盘价。同时，K线图还可能包括十字星、锤子和倒锤头等形态，每种形态都有不同的含义和预测价值。

K线图是一种非常实用的技术分析工具，它可以帮助投资者更好地理解股票市场的走势和波动情况，把握股票的买卖时机和风险控制。但是，K线图也存在一定的局限性，比如它不能反映股票的全部信息，有时会出现误导和信号不准确的情况。因此，投资者在使用K线图时需要结合其他技术指标和市场信息进行综合分析。

英文：

The K-chart is a common technical analysis tool for stocks, which displays the daily price fluctuations of a stock using a chart, reflecting key information such as opening price, closing price, highest price, and lowest price. The K-chart consists of a vertical line and a horizontal time axis, where the vertical line represents the price fluctuations of the stock, and the horizontal axis represents the time sequence of the trading day.

Based on the K-chart, investors can observe the trend and波动 of the stock price, and then analyze the buying and selling points, trends, and risks of the stock. K-charts usually include two types: positive and negative. A positive K-chart indicates that the closing price is higher than the opening price, while a negative K-chart indicates that the closing price is lower than the opening price. At the same time, the K-chart may also include forms such as crosses, hammers, and inverse hammers, each of which has different meanings and predictive values.

The K-chart is a very useful technical analysis tool that can help investors better understand the trend and fluctuations of the stock market, grasp the buying and selling opportunities of stocks, and control risks. However, there are also some limitations to the K-chart, such as not being able to reflect all the information of a stock, and sometimes misleading or inaccurate signals. Therefore, investors need to combine other technical indicators and market information for comprehensive analysis when using the K-chart.