深渊薄冰

Explanation: Face of the abyss, the ice foot. Analogy in danger, feel JIE JU. 　　Source: "Little Book of Xiao Ya Min": "fear and trepidation, immersive abyss, treading on thin ice." 　　Examples: Divine Grace As a result, a powerhouse of Long-day facilities, private justice is not safe, there are ~ the fear. ★ Song Wang "beg back form the third"