n.
1) to cause, create, make, present difficulties for
2) to come across, encounter, experience, face, meet, run into difficulties
3) to clear up, overcome, resolve, surmount a ~
4) (a) grave, great, insurmountable, serious, severe ~
5) economic, financial difficulties
6) a ~ arises
7) ~ in (she has ~ in breathing = she has ~ breathing)
8) in ~ (he is in serious ~)