chǎo gǔ shí nián de lǎo shǒu yě bù gǎn qīng yì yù cè gǔ shì zǒu xiàng.

炒股十年的老手也不敢轻易预测股市走向。

Even an old hand at stock trading with ten years of experience dares not easily predict the trend of the stock market.