to open wide; unrestrictedly

a convertible; open-top car

bright and spacious

open-mouthed (jar etc); (of speech) freely; exposure (finance)

open wagon; (railway) flatcar

to open wide; unrestrictedly

a convertible; open-top car

bright and spacious

open-mouthed (jar etc); (of speech) freely; exposure (finance)

open wagon; (railway) flatcar

spacious; wide

to have a loose tongue; talkative

Zhang Chang, official and scholar of the Western Han dynasty

wide open

large and spacious