spot check

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˌspot ˈcheck noun [countable]  CHECK/MAKE SUREan examination of a few things or people from a group, to check whether everything is correct or satisfactory 抽样检查，抽查spot check on spot checks on quality 质量抽查make/do/carry out etc spot checks We carry out spot checks on the vehicles before they leave the depot. 汽车离库之前我们要进行抽样检查。 —spot check verb [transitive] We spot check everyone’s work. 我们对每个人的工作都进行抽查。

Examples from the Corpus

spot check• Customs officers make random spot checks.• Most drivers pass the spot check, not so this Volkswagen.From Longman Business Dictionaryspot checkˈspot check [countable] a check on particular things or people from a group, done without warningA spot check of 140 vehicles entering the car park revealed 18 people not wearing a seatbelt. → check

ˌspot ˈcheck nounChineseSyllable  

of an Corpus or people few examination a things from Business a

spot check
ˌspot ˈcheck noun [countable]
an examination of a few things or people from a group, to check whether everything is correct or satisfactory
    spot check on
    spot checks on quality
    make/do/carry out etc spot checks
    We carry out spot checks on the vehicles before they leave the depot.
—ˈspot check verb [transitive]:
    We spot check everyone’s work.

spot checkBrE /ˌspɒt ˈtʃek/ 🔊NAmE /ˌspɑːt ˈtʃek/ 🔊 nouna check that is made suddenly and without warning on a few things or people chosen from a group to see that everything is as it should be 抽查；抽样检查◆to carry out random spot checks on vehicles对车辆进行随机抽检