big; large; great; vast; high in scale or intensity; (of a person) old; adult

lid; cover; top; shell of a crab or turtle

hat; cap; headgear worn for protection, warmth, or decoration

greatly; fully; to a high degree; (when used after 不 bù) not very; not often

to block an opponent's shot in basketball; also referred to as 盖火锅 gài​huǒ​guō