This is the 2587th most frequent Korean word.
부족
"부족" means "lack" or "shortage" in English.
In this sentence, '부족' refers to a deficiency or insufficient amount, specifically related to time.
시간이 부족해서 일을 끝낼 수 없었어요.
I couldn't finish the work due to a lack of time.
Here, '부족' is utilized to describe an inadequacy in an abstract quality or emotional state, namely confidence.
그는 자신감을 부족한 것 같아요.
He seems to have a lack of confidence.
In this usage, '부족' signifies an inadequacy in a numerical or measurable resource, such as budget or funds.