Under no circumstances

should+subject+verb

At no point should anyone split up from the group during the trip.

Under no circumstances should anyone stand up in the boat.

be+noun+infiniive

On no account is anyone to feed the monkeys.

At no time are any food items to be kept in the tent with you.

Everybody, can I have your attention, please? The ferry will be leaving in ten minutes, so under no account is anyone to go back on shore.

split/split up ｽﾌﾟリｯﾄ v)裂く、割る、分割する、分裂する　n)分裂

account ｱカｳﾝﾄ n)収支報告書、勘定、報告、弁明、理由、意見

shore シｮｱ- n)岸

false フォ-ｽ adj)本物ではない、誤った　a false alarm

prompt ﾌﾟロﾝﾌﾟﾄｩ adj)迅速な　v)素早く行動させる　n)せりふ、動機

lean　リ-ﾝ　v)傾く、もたれる

rail レｲﾙ n)手摺

Under no circumstances will she be allowed into that restaurant. どんな場合でも彼女はあのレストランに二度と入れないだろう