嘸(さぞ)I am sure, certainly, no doubt

十(じゅう)時間(じかん)以上(いじょう)のフライトは嘸(さぞ)疲(つか)れただろう。

You must be tired from the flight of over ten hours. {I am sure, certainly, no doubt}

初(はじ)めての海外(かいがい)旅行(りょこう)はさぞ刺激(しげき)的(てき)だったでしょう。

Your first trip abroad must have been very exciting. {I am sure, certainly, no doubt}

弟(おとうと)が満面(まんめん)の笑(え)みを浮(う)かべている。嘸(さぞ)楽(たの)しい事(こと)があったのだろう。

My younger brother has a beaming smile on his face. He must have had a good time. {I am sure, certainly, no doubt}

旅行(りょこう)の途中(とちゅう)に事故(じこ)に巻(ま)き込(こ)まれた妹(いもうと)はさぞ怖(こわ)い思(おも)いをしたはずです。

My sister, who got involved in an accident while on a trip, must have been very scared. {I am sure, certainly, no doubt}

五(ご)十(じゅう)年(ねん)以上(いじょう)にわたって連(つ)れ添(そ)った夫(おっと)を亡(な)くした妻(つま)は嘸(さぞ)寂(さび)しいに違(ちが)いない。

The wife who lost her husband, with whom she had been together for more than fifty years, must be incredibly lonely. {I am sure, certainly, no doubt}