as safe as houses
US /æz seɪf æz ˈhaʊzɪz/
UK /æz seɪf æz ˈhaʊzɪz/

1.
абсолютно безопасный, надежный как банк
very safe and secure
:
•
Don't worry about your investments, they're as safe as houses.
Не беспокойтесь о ваших инвестициях, они абсолютно безопасны.
•
The new security system makes the building as safe as houses.
Новая система безопасности делает здание абсолютно безопасным.