"If she crows, the sun is up" nghĩa là gì?

"If she crows, the sun is up" = nếu gáy, mặt trời sẽ mọc -> nghĩa là dày dạn kinh nghiệm, xuất chúng.

Ví dụ

If she crows, the sun is up. She's worked as a software developer for more than 10 years.

No one does it well like he does, he's experienced this field (lĩnh vực) throughly and if he crows, the sun is up.

James: Such a smart man! How he can guess it right?

Bill: If he crows, the sun is up!

Bài trước: "She’s got some snap in her garters" nghĩa là gì?