含有forty的成语
forty to the dozen 急忙地;滔滔不绝地
He talked forty to the dozen at the meeting
他在会上滔滔不绝他讲话。
含有fifty的成语
fifty-fifty 对半(地)
The apples weigh six jin. Let's take them fifty-fifty.
这些苹果有6斤重，我们对半分吧。
含有sixty的成语
like sixty 很有力地，很快地
The train is running like sixty.
火车飞快地开过来。
含有seventy的成语
seventy times seven 很大的数目
The old man is very rich, his money is seventy times seven.
这老头很有钱。