very easy to do or understand
非常容易做或理解
"For him, solving math problems is as easy as ABC."
"对他来说，解决数学问题非常容易。"
to be the first to do something new or innovative.
to be the best or most successful in a situation
to die (humorous or informal)
personification of luck as a woman who brings good fortune
to make progress or advance
a complex and interconnected web of thoughts or concepts
