be difficult to discern be difficult to tell be difficult to distinguish
难以割舍用英文怎么说
难以区分用英文怎么说
难以发现的用英文怎么说
难以取悦用英文怎么说
难以名状用英文怎么说
英语词典收录了最新的汉英词典和英汉词典，总共有200多万个词条，词库仍在不断更新中。
