This is the 130th most frequent Vietnamese word.
ngoài
"Outside" or "besides."
In this sentence, 'ngoài' refers to 'outdoors,' indicating a spatial context outside of the indoors.
Tôi thích đọc sách ngoài trời.
I enjoy reading books outdoors.
In this context, 'ngoài' implies 'beyond,' describing an intensity exceeding expectation.
Hôm nay trời nóng ngoài tưởng tượng.
Today is hotter than expected.
Here, 'ngoài' means 'besides,' introducing an additional activity beyond the primary stated one.