Beat the air 白費(fèi)力氣

2023-04-14 13:34:50 每日學(xué)英語(yǔ)

beat the air 白費(fèi)力氣;徒勞無(wú)功;徒勞;白費(fèi)力

【例句】
His speech merely beat the air as his argument was not convincing at all.
他的演說(shuō)一點(diǎn)用也沒(méi)有，因?yàn)樗挠^點(diǎn)不令人信服。

My sister is very stubborn, if you want to change her mind is like beat the air.
妹妹很固執(zhí)的，你要改變她的心意根本就是白費(fèi)力氣。