incursion
/ɪnˈkɜ:ʃn; ?@ -ʒn; ɪn`kəʒən/ n
(fml 文) ~ (into/on/upon sth)
1 sudden attack on or invasion of a place (not usu made in order to occupy it permanently) （对某地的）袭击, 侵犯（通常指非永久性的侵占）
repel a sudden incursion of enemy troops (into/on one's territory) 击退敌军（对领土）的突然入侵.
2 (fig 比喻) inconvenient interruption of sb's time, privacy, etc; intrusion （对某人的时间、 私生活等的）扰乱, 打扰
I resent these incursions into/upon my leisure time. 屡次侵占我的闲暇时间, 我很反感.