暢所欲言 [ㄔㄤˋ ㄙㄨㄛˇ ㄩˋ ㄧㄢˊ; chang4 suo3 yu4 yan2] lit. fluently saying all one wants (idiom); to preach freely on one's favorite topic to hold forth to one's heart's content ◄ ►
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