A1
A1 |ˈˌeɪˈwən | ▶adjective informal very good or well; excellent: guitar in A1 condition. • Nautical (of a vessel ) equipped to the highest standard, esp. as certified by a classification society; first-class.
A1 ▶adjective informal very good or well; excellent: guitar, A1 condition. • (of a vessel in Lloyd's Register of Shipping ) equipped to the highest standard; first-class.
A1 A one /èɪ -wʌ́n /名詞 U (船舶格付けの )第1等級 .形容詞 ⦅話 ⦆とびきり上等の .