海关人员对货船进行了一次彻底的搜查以确保没有违禁品。

Customs officers performed a ___search of the cargo ship to ensure no contraband was present.

那小混混对店主进行敲诈，威胁不给钱就砸店。

The thug carried out a ___shakedown on the shop owner, threatening to vandalize the store if not paid.

新软件在正式发布前需要经过一段时间的测试。

The new software needs a ___shake-down period before its official release.

露营时，我们在帐篷里做了个临时床铺。

We made a ___shake-down in the tent for our camping trip.