汉译英：我姐姐和我经常讲笑话
问题描述：
汉译英：我姐姐和我经常讲笑话
小明擅长说英语
答
My sister often plays jokes with me .
Xiao Ming is good at speaking English.
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Xiao Ming does well in speaking English .- -为什么speak是ing形式？at / in 是介词，介词后的动词要用ing 形式。