If you do not bother to do something or if you do not bother with it, you do not do it, consider it, or use it because you think it is unnecessary or because you are too lazy. 费心
verb [vt. 及物动词]费心;(使)烦恼,(使)担心;打扰,烦扰;使不舒服,使疼痛
I hope I haven't been a bother. 希望我没烦扰你。
noun [专属名词]麻烦,不便;讨厌的人(或事)
I usually buy sliced bread – it's less bother. 我通常买切片面包–这样可以少些麻烦。