Jeżeli

Subordinating conjunction

  się

Pronoun

  lubi

Verb

  nauczyciela

Noun

,  to

Subordinating conjunction

  nawet

Particle

 najmniejsza  uwaga

Noun

  boli

Verb

.

If you like the teacher, even the slightest attention hurts.

If you like the teacher, even the slightest attention hurts.