关於aback有一个例句："complete taken aback by the neighbors' announc

句子应该是
...completey taken aback by the neighbors' announcement that they were moving.
（第一个单词应该是 completely ）
taken aback 吓了一跳,吃了一惊
aback 是副词
正如
taken down
taken away
taken off
的 down,away 和 off 是副词一样.
这个词组通常只用于这个方式：taken aback by sth ,例：
I was taken aback by the news that our English teacher has decided to return to America.
我们被邻居宣称他们要离开的消息吓了一跳
We were taken aback by our neighbor's announcement that were leaving.