His sudden entrance took everyone by surprise.

　　他的突然出場使所有人都感到意外。

　　His arrival caught me by surprise.

　　他的到來讓我感到意外。

　　The movement took him by surprise, and he pitched forward

　　這一動使他冷不防地向前摔倒。

　　His question took his two companions by surprise

　　他提的問題讓他的兩個伙伴都愣住了。

　　She looked as if the photographer had caught her by surprise

　　看上去，她好像被攝影師搞了個猝不及防。