get it up片语动词KK [gɛt ɪt ʌp] /ɡɛt ɪt ʌp/发音片语动词1勃起俚语He was so nervous that night that he couldn't get it up.那天晚上他太紧张,根本勃不起来。2提起精神、来劲口语,多用于否定句I just can't get it up for another long meeting today.今天再开一场长会,我实在打不起精神。用这个字练口说→