Complex sentence: At the same time, she is suspicious as to why Urzsula has remained so calm while Tremaine has tried to spoil their fun, on seeing her flirting with another woman, Liberty immediately accuses Urzsula showing how insecure and jealous she is.
Split into simpler sentences: At the same time, she is suspicious as to why Urzsula has remained so calm, while Tremaine has tried to spoil their fun. On seeing her flirting with another woman, Liberty immediately accuses Urzsula showing how insecure and jealous she is.