take by surprise   (TTS發音)

1. fill with surprise or amazement；astonish 使吃驚；使驚奇

    Your good examination results have taken all the teachers by surprise. 你考試的好成績使得所有老師都感到吃驚。

    When our teacher quit in the middle of the year to work for the government，it took us all by surprise. 我們的老師在年中辭職去政府部門供職時，我們都感到吃驚。

2. appear in front of sb. suddenly；come before sb. is ready 出其不意地出現；在（某人）未準備妥當之前來到

    The passenger took the thief by surprise. He caught the latter's hand as it sneaked into his pocket. 那位旅客在扒手剛把手伸進他的口袋裡的時候，突然抓住了他。

    Our guests came half an hour early，taking my mother by surprise. 我們的客人提前半小時來了，弄得我媽媽措手不及。