to make (something) difficult to do or understand

confuse, make difficult

to cause (an organized system) to be in disorder

disrupt arrangement; make shambles of

to catch (something) in an obstacle

involve, mix up

to show that a person is or was involved (in doing something wrong)

imply, involve

to have, include, (something) as necessary; to cause a person, thing to take part (in trouble, a difficult situation etc)

draw in; include