adjective🔗Share深不可测，高深莫测。 Impossible to fathom or understand."The sheer numbers they attacked with were unfathomable."他们进攻时所动用的兵力之庞大，简直深不可测。mindphilosophyabstractChat with AIVocabulary GamePractice Reading
adjective🔗Share深不可测，高深莫测. Difficult to penetrate."The toddler's tantrum seemed completely unfathomable to his parents; they couldn't understand what he wanted at all. "这个幼儿发脾气的原因对他的父母来说完全深不可测；他们根本不明白他想要什么。mindphilosophyabstractChat with AIVocabulary GamePractice Reading
