| 1 | You are out! | |
| 2 | His way of thinking is out of date (or behind the times). | |
| 3 | The leader' s opinion had fell behind. | |
| 4 | Nobody hung behind after running 2 miles. | |
| 5 | When the revolution is developing rapidly, some people are bound to fall behind. |
Copyright © Purple Culture Co., Ltd. 2001 - 2026. All right reserved.
