About is used in front of a number to show that the number is not exact.
大约 • The rate of inflation is running at about 2.7 percent. 通货膨胀率大约在2.7%。
When you say that there is a particular quality about someone or something, you mean that they have this quality.
在… (具有某种品质) Leadership is about the ability to implement change. 领导才能是一种实行变革的能力。
I think he's about to leave.
我想他就要离开。
| He will buy her the flowers. | 一般将来时 |
| She is going to get the flowers. | |
| She is about to throw the flowers. | |
| She is throwing the flowers. | 正在进行 |
| She threw the flowers. | 一般过去 |
| The flowers have been thrown by her. | 现在完成 |
| He was sad when she had thrown the flowers. | 过去完成与一般过去 |