Like the back of your hand
Known extremely well, in every detail.
English
Like the back of your hand
Tiếng Việt
Thuộc như lòng bàn tay.
Biết rõ đến từng chi tiết nhỏ.
Examples
- After ten years you know these streets like the back of your hand.
- Work here long enough and you know the codebase like the back of your hand.