憑本能做事

凭本能做事
píngběnnéngzuòshì
to follow one's nose

CEDICT

Entry Composition

1 憑 píng
  1. to lean against
  2. to rely on
  3. on the basis of
  4. no matter (how, what etc)
  5. proof
2 本能 běnnéng instinct
3 做事 zuòshì
  1. to work
  2. to handle matters
  3. to have a job