as luck would have it
我们正找他，他可巧就来了。
By a happy coincidence he arrived just as we were about to start looking for him.
汉译英翻译词典收录86165条汉英翻译词条，基本涵盖了全部常用中文字词的英语拼写、翻译、音标、读音、用法、例句等，是英语学习的有利工具。