B 開頭單詞

by order of 奉…之命

by order 奉命；按訂單

by oneself 獨自地，單獨

by ones and twos 零零落落地；三三兩兩地

by now 到目前為止；到如今

by noon 到中午為止

by no means of 決不

by no means easy 決不容易 絕非易事

by no means 決不

by no manner of means 一點都不 絕不

by no accident 決非偶然

by nightfall 夜幕降臨前

by night adv. 在夜里

by nickname [計算機科學技術]按昵稱

by next month 下個月之前

by next monday 到下周一

by next mail [經濟學]下次郵寄

by negotiation 議付

by necessity 不得已；必然地，不可避免地

by nature 天生地；生性