+) doesn't have enough time: không có đủ thời gian = bận rộn: busy (adj).
+) Cấu trúc Enough: (không) đủ để làm gì... (+ danh từ)
S + V + enough + noun+ for someone (nếu có) + to Vo.
The doctor doesn't have enough time to see you now.
⇒ The doctor is too busy to see you now.