插手 1.(参加做事) take part; lend a hand 想帮忙又插不上手 be ready to help but not know how to; 人够多了, 您就不用插手了。 you don't have to join in; there are more than enough people on the job already.2.(参与; 干预) have [take] a hand in; poke one's nose into; meddle in 插手某事 have a hand in; 插手太多 meddle too much with things; 到处插手 meddle in everything
干涉 1.(过问或制止, 多指不该管硬要管) interfere; intervene; meddle 互不干涉内政 noninterference in each other's internal affairs; 外来干涉 external interference; 武装干涉 armed intervention; 因他常来干涉, 我叫他少管闲事。 as he was always interfering, i told him to mind his own business. 我们无意干涉别国内政。 we have no intention of intervening in the internal affairs of other countries. 他总喜欢干涉别人的事。 he is inclined to meddle in other people's affairs.2.[物理学] interference 相消干涉 destructive interference; 相长干涉 constructive interference; 干涉主义 interventionism