vt.

1. 達到；獲得
   They are not likely to attain this aim.

   他們未必能夠達到這一目標。

2. 到達

vi.

1. 達到；獲得[（+to）]
   She tried in vain to attain to fame.

   她想出名但沒有成功。

2. 到達[（+to）]
   He will soon attain to manhood.

   他很快就要到達成年期了。

n.

1. 成就，造詣[U]

v.

1. succeed in accomplishing.
2. reach (a specified age, size, or amount).