wipe the floor with
US /waɪp ðə flɔr wɪθ/
UK /waɪp ðə flɔr wɪθ/

1.
徹底的に打ち負かす, 完膚なきまでに打ちのめす
to defeat someone very easily or thoroughly
:
•
Our team is going to wipe the floor with them in the championship.
私たちのチームはチャンピオンシップで彼らを徹底的に打ち負かすだろう。
•
The lawyer wiped the floor with the opposing counsel during the cross-examination.
弁護士は反対尋問中に相手方弁護士を徹底的に打ち負かした。
2.
ひどく扱う, 侮辱する
to treat someone very badly or disrespectfully
:
•
He always tries to wipe the floor with his subordinates.
彼はいつも部下をひどく扱う。
•
Don't let them wipe the floor with you; stand up for yourself!
彼らにひどく扱われるな。自分自身を守れ!