follow your nose
US /ˈfɑloʊ jʊər noʊz/
UK /ˈfɑloʊ jʊər noʊz/
1.
to go straight ahead, or to trust your instincts to guide you
:
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To get to the bakery, just follow your nose down this street.
•
When you're lost, sometimes it's best to just follow your nose and trust your gut.