late 14c., "having no companion, solitary," shortening of alone (q.v.) by weakening of stress or else by misdivision of what is properly all one. The Lone Star in reference to "Texas" is first recorded 1843, from its flag. Lone wolf in the figurative sense is 1909, American English.
例文
1. Ninety per cent of lone parent families are headed by mothers.
90%のシングルファザーは母親が所有しています。
2.He was shot by a lone gunman.
彼は一匹狼に射殺された。
3.a lone sailor crossing the Atlantic
大西洋を単独横断した人
4.A lone sea gull flew across the sky.
孤独なカモメが空を飛んでいた.
5.Rosy evening clouds and lone ducks fly together.