【适逢其会】〖shì féng qí huì〗[be lucky enough to be there at the time; happen to be present on the occasion; come just at the right time]

适当其间私制返，

逢场游戏往里钻。

其验若响遍滋腐，

会心一笑缪流传。

恰巧碰上那个机会或时机。happened meet that opportunity or an opportune moment. 同：适逢其时。反：失之交臂。