《徐霞客游记·粤西游日记三十八》
这天白天天阴，夜里月光十分皎洁。
是日昼阴，而夜月甚皎。
That day the sky was overcast with cloud all day, but the moonlight that night was very limpid.
<s>[INST] Break down the structure and provide an English interpretation of the presented Classical Chinese phrase: 是日昼阴，而夜月甚皎。 [/INST]
English interpretation: That day the sky was overcast with cloud all day, but the moonlight that night was very limpid.
Structural analysis: 
The phrase is composed of four parts:
- 是日：that day
- 昼阴：the sky was overcast with cloud all day
- 而：but
- 夜月甚皎：the moonlight that night was very limpid.</s>
Break down the structure and provide an English interpretation of the presented Classical Chinese phrase: 是日昼阴，而夜月甚皎。
user
English interpretation: That day the sky was overcast with cloud all day, but the moonlight that night was very limpid.
Structural analysis: 
The phrase is composed of four parts:
- 是日：that day
- 昼阴：the sky was overcast with cloud all day
- 而：but
- 夜月甚皎：the moonlight that night was very limpid.
assistant