[xíng róng]
[書] （形體和容貌） appearance; countenance;
difficult to describe; beyond description
難以形容
work at a speed that beggars description
以難以形容的速度進行工作
It is very difficult to describe my joy in words.
我的快樂難以用語言來形容。
The beauty of the scenery beggars description.
風景之美非筆墨所能形容。