Big Words高级英语词汇讲座(117):这种笑怎么形容？

lop作为单词，有“修剪”的意思，修剪后即“one side bigger than the other”

smirk→a smile that expresses satisfaction or pleasure about having done something or knowing something that is not known by someone else.

beam→to smile with obvious pleasure.

crooked→not forming a straight line, or having many bends.