助詞。用于句首?！稌虻洹罚骸霸蝗?a href="/hycd/j/j279502.htm" target="_blank">稽古 帝堯 ?！?蔡沉 集傳：“曰、粵、越通，古文作粵。曰若者，發(fā)語辭?！吨軙贰?a href="/hycd/y/y138412.htm" target="_blank">越若來三月’，亦此例也。”