attain
/əˈteɪn/verb
with obj.
1- succeed in achieving (something that one desires and has worked for)获得; 实现：
clarify your objectives and ways of attaining them
说明你的目标和实现目标的方法
he attained the rank of Brigadier
他获得了准将军衔
human beings can attain happiness.
人类能获得幸福。
1.1
- reach (a specified age, size, or amount)达到（一定年龄、规模或数量）：
dolphins can attain speeds in water which man cannot yet emulate.
海豚在水中可以达到人类无法企及的速度。
派生词
attainability
nounattainable
adjectiveattainableness
noun词源
Middle English （in the senses 'bring to justice' and 'reach (a state)'）： from Old French ateindre, from Latin attingere, from ad- 'at， to' + tangere 'to touch'.