我不想买被其他顾客摸弄过的番茄.I don't want to buy tomatoes that have already been pawed about by other customers!他摸弄着门拉手.He fumbled with the door knob.他喜欢摸弄坏掉的小器具.He likes to tinker ( away ) at broken gadgets....

“摸弄”的英语可以翻译为：fumble ...