hidden trouble (or danger; peril); latent(or potential) trouble;lurking danger;snake in the grass 世界经济失衡是世界经济持续稳定发展的最大~。Imbalances in the world economy pose the biggest potential danger to the sustained and stable growth of world economy./这一问题的解决将有助于消除我们双边关系中的一个~。The settlement of this problem will help remove a hidden source of trouble in our bilateral relations./留下~ leave behind a hidden danger