怎能轻易倒下身后空无一人
[zĕn néng qīng yì dăo xià shēn hòu kōng wú yī rén]
How Can One Easily Fall When There's No One Behind? Expresses a feeling of solitude and the weight of responsibility. Falling might be metaphorical for failure, while emphasizing that nobody will follow if there's nothing reliable to depend on.