问题描述：
break out doing 有无此用法?
burst into tears.break into tears.突然大哭.
burst out laughing.突然大笑.
请问 break out laughing.可不可以?
还有 burst into tears 等于 break into tears
burst into tears.break into tears.突然大哭.
burst out laughing.突然大笑.
请问 break out laughing.可不可以?
还有 burst into tears 等于 break into tears
问题解答：
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