buttress (someone's) case

Translations
подкрепить (чье-то) дело
The additional witnesses buttressed the prosecutor's case.
Дополнительные свидетели подкрепили дело прокурора.
Definitions
To provide support or evidence to strengthen someone's argument or position.
Words
buttress

verb
подкреплять
someone

pronoun
кто-то
is

functional word
есть
case

noun
позиция