turn one’s back on sb. 不理睬，背弃，抛弃
on the basis of 根据…，在…基础上
begin with 以…开始
on behalf of 以…名义
for the benefit of 为了…的利益
for the better 好转
get the better of (=defeat sb。) 打败， 胜过。
compare…with … 把…与…比较
compare…to… 把…比作…
by comparison 比较起来
in comparison with 和…比起来
account for解释，说明.
on account of 由于，因为
on no account 绝不要
accuse…of 指控，控告
be accustomed to 习惯于
be acquainted with 了解，熟悉
act for 代理
