r. having the wind against the forward side of the sails
r. by surprise
adv. 向后, 朝后, 突然, 船顶风地
1. She was taken aback by the sudden announcement.
她对突然的公告感到吃惊。
2. I was aback when I saw my old friend at the party.
我在派对上见到我的老朋友时感到惊讶。
3. His rude comment left me completely aback.
他无礼的评论让我完全吃惊。