Basic Guidelines For English Spellings
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See US English definition of sniff
See UK English definition of sniff
See Spanish definition of oler
1‘Maria sniffed and wiped her nose’
2‘carefully she sniffed the fruit’
1‘she gave a loud sniff’
2‘the sniff of lunch was everywhere’
3‘they're off at the first sniff of trouble’
‘the working mothers were all sniffed at by the uniformed nannies’
‘journalists who sniff out sensation or scandal’