The Chinese term **"怠窳"** can be translated into English as **"lazy and negligent"** or **"slack and remiss"**, depending on the context.

- **怠 (dài)** means "lazy" or "slack."
- **窳 (yǔ)** means "negligent," "remiss," or "of poor quality."

### Example Usage:
- **"他工作怠窳，效率低下。"** → **"He is lazy and negligent at work, with low efficiency."**
- **"怠窳的態度會導致失敗。"** → **"A slack and remiss attitude will lead to failure."**

If you have a specific sentence or context, I can refine the translation further!