She's no chicken and shouldn't be riding on the back of a motorbike at her age.
她年纪不小了,不应该在这种年龄时再骑坐在摩托车后面了。
Go to Cornwall on the back of a motorbike? The very idea! I'm much too old for that.
坐在摩托车后面去康沃尔吗?我不同意!我年纪太大了,不能那样去。
No, thank you. I'm not going to risk my neck on the back of your motorbike.
不,谢谢你了,我不去冒险坐在你的摩托车后座上。