電話帳{でんわちょう}で(人)の番号{ばんごう}を調べるfind out someone's name and where he is: (人)の名前{なまえ}と居場所{いばしょ}を割り出すbook written under someone's pen name: (人)がペンネームで書いた本look up someone's name in phone book: 電話帳{でんわちょう}で(人)の名前{なまえ}を探す