to sniff out trouble
- phrasal verb
- Informal
- As a seasoned detective, she could sniff out trouble the moment she entered a room.
Examples
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Parents often seem able to sniff out trouble before their children even realize it.
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She can sniff out trouble from a mile away.
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The manager relied on his assistant to sniff out trouble in the office early.
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I always sniff out trouble before it escalates.
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The detective has a knack for sniffing out trouble before it escalates.
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Teachers often sniff out trouble among students and intervene promptly.
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He seems to have an instinct for sniffing out trouble wherever he goes.
Synonyms
Find something by searching, often by smell
Find something hidden by noticing small signs
Antonyms
How Early
Surface Forms
Morphology
The verb 'sniff' (to smell) combined with the particle 'out' yields a clear metaphor of using the nose to locate something, so a learner who knows the constituents can plausibly infer 'detect or discover trouble.' However, the meaning is a metaphorical extension (detecting problems, often before others) rather than a literal smelling action, so some nuance may be unpredictable without exposure.
Etymology
Sniff out trouble comes from the image of a dog using its nose to sniff and find hidden problems or danger, then move out to them. So, it now means 'to detect problems or danger early, often before others notice'.