The number is as numerous as the sands of the Ganges.(恆河沙數)

I've thought about this matter a hundred times, but I still can't explain the reason behind it.(百思不解)

Knowing Nothing(一無所知)

This place is empty and hollow; utterly devoid of anything.(空空如也)

Melancholy, depression and unhappiness. (悒悒不樂)

Looking around, there was no one there.(四顧無人)

A joy so powerful that it is almost unbearable. (不勝之喜)

Even taking a small step forward felt difficult.(寸步難行)

The soul leaves the body and dissipates into the air.(魂飛魄散)

Neglecting State Affairs and Deceiving the Emperor(誤國欺君)