blow up
🇺🇸
/ˈbloʊ ʌp/
🇬🇧
/ˈbləʊ ʌp/
phrase verb
B2
to make something bigger by filling it with air, like a balloon or tire
Be careful not to blow up the balloon too much, or it might burst.
translation
to make something bigger by filling it with air, like a balloon or tire