1. We often read in novels how a seemingly respectable person or family has some terrible secret which has been concealed from strangers for years.
    在小说中，我们经常读到一个表面上受人尊重的人物或家庭，却有着某种多年不为人所知的骇人听闻的秘密。

2. I wore a wool hat that concealed my hair and an unfashionable coat and glasses with sun shades that clipped on.
    我戴着一顶把头发掩盖住的羊毛帽子，穿着一件老式的外套、并戴一付夹着遮阳墨镜片的眼镜。