■ noun
1》 a dog kept to guard private property.
2》 a person or group that monitors the practices of companies providing a particular service or utility.
■ verb ( ~s , ~ging , ~ged ) maintain surveillance over.
■ noun
1》 a dog kept to guard private property.
2》 a person or group that monitors the practices of companies providing a particular service or utility.
■ verb ( ~s , ~ging , ~ged ) maintain surveillance over.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004