v. 透徹理解悬秉,understand, comprehend, figure out.
翻譯:It's hard to fathom the meaning of unconditional love.
翻譯參考:It's hard to fathom what it means to love someone unconditionally.
造句參考:I can't fathom him. 難以看透某人
Girls' behaviors are often hard to fathom.