出典:Wiktionary
duty bound (comparative more duty bound, superlative most duty bound)
出典:『Wiktionary』 (2010/09/25 15:11 UTC 版)
duty-bound (comparative more duty-bound, superlative most duty-bound)
出典:『Wiktionary』 (2017/01/21 17:45 UTC 版)
dutybound (comparative more dutybound, superlative most dutybound)