beat a dead horse
US /biːt ə dɛd hɔrs/
UK /biːt ə dɛd hɔrs/
1.
membuang masa, melakukan perkara yang sia-sia
to waste effort on something that is no longer possible or cannot be changed
:
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Trying to convince him now is just beating a dead horse; he's made up his mind.
Mencuba meyakinkannya sekarang hanyalah membuang masa; dia sudah membuat keputusan.
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Let's move on to a new topic; we're just beating a dead horse with this argument.
Mari kita beralih ke topik baru; kita hanya membuang masa dengan hujah ini.