He was a big, sardonic man, who intimidated even the most self-confident students.

他身材高大、爱讽刺人，甚至震慑住了最自信的学生们。

One of the charms of the world's most famous painting is that she appears radiant one moment and then serious and sardonic the next.

世界最著名的油画《蒙娜·丽莎》的魅力之一，就是蒙娜·丽莎有时看起来笑容可掬，而有时却严肃而面带嘲讽之色。