fiddle with
phrasal verbfiddle around with something | fiddle with something
(also fiddle about with something especially in British English)
to keep touching something or making small changes to something because you are not satisfied with it 不断摆弄;不停对…做小修小改 I've been fiddling around with this design for ages. 我已经摆弄这个设计很久了。
to touch or move the parts of something in order to try to change it or repair it 拨弄,摆弄(为改变或修理某物)