Both of us won a prize.
2人で1つの賞をもらった;2人がそれぞれ1つずつ賞をもらった(◆Each of us won a prize. は「2人ともそれぞれ賞をもらった」)
both personally and professionally
公私共に
both sexes
男女
Both sides are wrong in that they are engaged in war.
戦争を始めた点でどちらも間違っている
both sides of industry
労使双方,労資
Both the dollar and stocks appreciated late this summer.
ドルも株価も今夏終わりに上がった
both the girls' mother
その2人の少女の(共通の)母親(◆both the girl's parentsは「その少女の両親とも」の意)
both these books
これら両方の本(◆both of these booksともいえる;⇒代1)
Both views have some merit.
どちらの見解にももっともな点がある
both Washington and Paris
ワシントンもパリも(◆Washington and Paris bothともいう)