fiddle around 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. 多年来，我一直在摆弄这种设计。
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）