Learner's definition of ABACK
: by surprise吃惊 —
used in the phrase taken aback用于短语taken aback -
She was taken aback [=she was very surprised] by his rude response.他粗鲁的反应让她非常吃惊。
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He was taken aback [=shocked, startled] when he saw their house.看到他们的房子时他大吃一惊。