His sudden entrance took everyone by surprise.
他的突然出场使所有人都感到意外。
His arrival caught me by surprise.
他的到来让我感到意外。
The movement took him by surprise, and he pitched forward
这一动使他冷不防地向前摔倒。
His question took his two companions by surprise
他提的问题让他的两个伙伴都愣住了。
She looked as if the photographer had caught her by surprise
看上去，她好像被摄影师搞了个猝不及防。