Sentence examples similar to unannounced cold from inspiring English sources
Selected households were visited unannounced (cold-calling).
Households in this road were visited consecutively (door-to-door) by knocking at their doors unannounced (cold-calling).
These households were visited unannounced ("cold-calling"), and one adult respondent (aged 18 65 years) was chosen randomly from each.
Seven trained medical students from the Lithuanian University of Health Sciences visited the home of each person in this sample, calling unannounced ("cold-calling").
Instead of going straight to the St . RegisBeijing Hotel from the airport, Mr. Biden and his entourage made an unannounced drive through the cold rain to the Olympic Sports Center Gymnasium to watch a basketball match between the Georgetown Hoyas and a team from Shanxi Province.
Data-collection by cold-calling (visiting households unannounced) was performed by medical students trained for the purpose, who personally interviewed consenting individuals following the structured questionnaire.
The enquiry procedure involved unannounced door-to-door visits at households ("cold-calling") within each cluster, and application by trained interviewers of a structured questionnaire.
No one seems to think it terribly odd that a journalist has popped in unannounced, though it wasn't supposed to be a cold call.
In comparison, cold calling someone seems as rude as showing up at their house unannounced.
The unannounced visits ended.
The time was unannounced.
