sticking up

1.突出,竖立

2.〈英俚〉使为难

1.to continue upward farther than the end of a surface or the main part of an object

2.to raise something upward, especially your arm or hand

3.to steal money or goods from a person or place using a gun

4.if someone with a gun tells you to stick ’em up, they are ordering you to raise your arms above your head, usually because they are going to steal money or goods from you