adj.<美><口>粗暴的，喧闹的
It's not the chirping , rambunctious play that they did when they first arrived.
他们 现在 已经不像刚开始见面那会儿, 总是冲着对方乱叫,或者在玩耍时动作粗暴.
Their rambunctious son always got into trouble.
他们那个不受管束的儿子老是惹麻烦.
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