because my cousin is always ------(打扰）me

othering / disturbing / troubling / intruding都可以,这里要用现在进行时。现在进行时与always总是,usually通常,continually不断的,constantly经常的,forever永远、老是等副词连用时带有感情色彩。She is constantly worrying about her son's health。她不停地为她儿子的健康担心着。The boy is forever asking questions。那个男孩老是问问题。