A. preposterous /prɪ*pɒ:stərəs/ = ºÒÇÕ¸®ÇÑ, ºñ»ó½ÄÀûÀÎ, Å͹«´Ï¾ø´Â; ¾û¶×ÇÑ, ÆÄ°ÝÀûÀÎ, ±â¹¦ÇÑ
= completely unreasonable and ridiculous; not to be believed
B. scratch the surface of ~ = (¹®Á¦ µûÀ§¸¦) ¼ö¹Ú °ÑÇÓ±â½ÄÀ¸·Î ó¸®ÇÏ´Ù, ÇÇ»óÀûÀ¸·Î ´Ù·ç´Ù
= deal with, understand, or find out about only a small part of a subject or problem; treat superficially