a number of 若干
above all 首先,尤其
be absorbed in 专心于
by accident 偶然
account for 说明
on account of 因为,由于
take…into account 考虑
be accustomed to 习惯于
add up to 合计,总计
in addition 另外
in addition to 除。。。之外
in advance 提前,预先
take advantage of 利用
ahead of 在。。。 前面,先于
in the air 在流行中,在传播中
after all 终于,毕竟,虽然这样
all but 几乎,除。。。之外其余都
all over 遍及,到处
at all 完全,根本
in all 总共,共计
make allowances for 考虑,顾及,体谅
in alliance with 与。。。联盟
leave…alone 听其自然,不要去管
let alone 更不用说
along with 与。。。一起
one after another 一个接一个
one another 互相
apart from 除去
as for 至于,就。。。方面说
as if 好象,仿佛
as though 好象,仿佛