clear as crystal

• adj. 象水晶一样明澈(明显；清晰明了)

clear as crystal的用法和样例：

例句

1. Her style is clear as crystal.
   她的文体极其清晰明白。
2. Thanks for the explanation; it's all now clear as crystal.
   谢谢你的解释，现在完全清楚了。