This is the 847th most frequent Vietnamese word.
cải
"Cải" means "mustard greens" or "vegetable" in general.
In this sentence, 'cải' refers to a type of vegetable, often leafy greens.
Tôi thích ăn cải xanh mỗi ngày.
I like eating green vegetables every day.
Here, 'cải' is part of the word 'cải thiện,' meaning 'to improve,' showcasing its use in a compound verb.
Cậu ấy luôn cố gắng cải thiện kỹ năng của mình.
He always tries to improve his skills.
In this case, 'cải' refers specifically to mustard greens, emphasizing its role as a specific noun.