Shake down 敲詐勒索

shake-down：某種新設備器材的試用以及操作人員的培訓?？煞褐鸽娔X、汽車、機器等一切新產(chǎn)品的試用。例句中shake-down表試飛。
 

【例句】

This gang tried to shake down the shopkeeper for $ 500 a month with a threat to set fire to his shop. But two cops hiding in the back came out with guns and caught them all.

這伙歹徒試圖敲詐老板每月五百美元：他們威脅說否則就燒毀他的店鋪。但是兩名埋伏在后面的警察持槍出來把他們一網(wǎng)打盡。
 

Two test pilots and some aircraft engineers are flying that new plane on a shake-down flight. If everything is OK, it'll be put into regular passenger service.

兩名試飛員和幾位飛機制造工程師在為那架新飛機作試飛，如果飛機運作一切正常，它將被投入日常航運。