aback
🇺🇸
/əˈbæk/
🇬🇧
/əˈbæk/
Caught off guard or surprised.
I was aback when I heard the unexpected news.
当我听到这个意外的消息时,我感到惊讶。
With the wind blowing towards the bow of a boat.
The wind shifted, leaving the sailboat aback.
风向改变,使帆船陷入被动。