break A1

/bɹeɪk/ to act in disregard of laws, rules, contracts, or promises

fragile C1

/ˈfɹæd͡ʒəl/ vulnerably delicate

fraction C1

/ˈfɹæk.ʃən/ A part of a whole, especially a comparatively small part.

fragment B1

/ˈfɹæɡmənt/ an incomplete piece

refrain B2

/ɹɪˈfɹeɪn/ resist doing something

infringe B2

/ɪnˈfɹɪnd͡ʒ/ To break or violate a treaty, a law, a right, etc.