Fixed expressions
Idioms
English fixed expressions — phrases whose meaning isn't obvious from the individual words. Each entry shows the meaning, an example sentence, and its register.
Idioms containing test, including its inflections. Clear word filter
4 idioms
test the waters
CEFR B1to try something cautiously before committing fully to it
Neutral
smoke test
CEFR B2a quick, shallow test that checks whether a system's most basic functions work at all
Neutral
stand the test of time
CEFR B2to remain effective, admired, or valuable over a long period
Neutral
canary in the coal mine
CEFR C1an early warning sign, or a small test group, that reveals a danger or failure before it affects everyone
Neutral
Matching variant: canary test