Jack-knives
n. （隨身攜帶的）大折刀；鐮刀式跳水 (jackknife的變形)
?? 詞語組成解析
jack
[[d??k]]
n. 插座, 千斤頂, 男人\\nvt. 抬起, 提醒, 扛舉, 增加, 提高, 放棄\\na. 雄的\\n[計] 插座
knives
[[naivz]]
pl. 刀子
??? 情景例句
until they mentioned needing collateral or a guarantor.
在他們提到擔(dān)保物或擔(dān)保人之前。
He'e never really made it as an actor.
他當(dāng)演員從未有所成就。
Dressed up as Father Christmas and accompanied by a 'guard of honour' of six pretty girls, he set off down the main street of the city riding a baby elephant called Jumbo.
他打扮成圣誕老人，在由6個漂亮姑娘組成的“儀仗隊(duì)”的陪同下，騎上一頭名叫江伯的小象，沿著城里的主要街道出發(fā)了。