FAQs About the word off-hand

随口而说

without preparation

即兴的,即兴,即兴的,临时,即兴的,即兴的,即兴的,非正式的,即席,漫不经心

认为,蓄意的,有意的,计划,蓄谋的,准备好,排练,预定的,预谋的

offhand => 即兴, off-guard => 打了个措手不及, offerture => 报价, offertory => 奉献礼, offertories => 奉献物,