you can bet your bottom dollar
US /ju kæn bɛt jʊər ˈbɑtəm ˈdɑlər/
UK /ju kæn bɛt jʊər ˈbɑtəm ˈdɑlər/

1.
boleh bertaruh, pasti
to be absolutely certain about something; to be sure that something will happen
:
•
You can bet your bottom dollar that he'll be late.
Anda boleh bertaruh dia akan lambat.
•
If she says she'll do it, you can bet your bottom dollar it'll get done.
Jika dia kata dia akan melakukannya, anda boleh bertaruh ia akan selesai.