breath test; breathalyzer test
Refers to a test that analyzes exhaled breath, commonly for alcohol detection or medical diagnosis.
The police conducted a breath test on the driver.
Alcohol was detected in the breath test.
飲酒検問 is a sobriety checkpoint or screening, while 呼気検査 is the actual breath test procedure.
Compound of 呼気 (exhaled breath) and 検査 (test, examination).