For my part, I must do my best to save this fellow's trebly worthless life;

至于我这方面，一定会尽力挽救这个家伙毫无价值的生命。

youdao

But it really is doubly and trebly hard to have crowds and multitudes of people turning up after him (I could have forgiven him), to take Ladybird's affections away from me. '.

可是成群结队的人来找他，要想把小鸟儿的感情从我这儿抢走，的确是令人双倍地难受，三倍地难受，尽管我可以原谅他。

youdao

And of course it is trebly true of the cut in the top rate of income tax, the accelerated reductions in corporation tax and the reform of taxation for multinationals based here (the controlled foreign company rules).

BBC: Big business and Treasury capture government