усложнявам meaning in English

complicate [complicated, complicating, complicates]▼(to combine intricately)
verb
[UK: ˈkɒm.plɪk.eɪt] [US: ˈkɑːm.pləˌket]

involve [involved, involving, involves]▼(To complicate or make intricate)
verb
[UK: ɪn.ˈvɒlv] [US: ˌɪn.ˈvɑːlv]

sophisticate [sophisticated, sophisticating, sophisticates]▼(to make (something) more sophisticated ("complex, developed, or refined"), see also: develop; refine)
verb
[UK: sə.ˈfɪ.stɪk.eɪt] [US: sə.ˈfɪ.stɪˌket]