within the realm(s) of possibility
可能性の範囲内に
within these four walls
この場だけで内密に
within two miles
２マイル以内に
without
[前]1 …なしで，…を持たずに，伴わずにwithout a sweaterセーターを着ないでwithout doubt疑いなくwithout so much as a word of than...
without (an) equal in ...
…の点で右に出るもののない
without (previous) notice
予告なしに
without (due) reflection
（よく）考えずに
without a backward glance
振り向きもせずに
without a blink
ためらわずに
without (a) doubt
疑いもなく，確かに
