[Shadowulf]

あの子は私の車を洗うのを手伝ってくれた。

hmmm... do people normally use を twice in the same sentence?
to me i'd be saying:
あの子は(私の)車を洗う事(or の）に手伝ってくれた

@Shadowulf, i think you forgot an を... 隣さんの家の窓を砕いた

hmmm, but i was thinking since im writing like casual speech-ish, を wouldnt be too important

anyway
意地悪いあの子は同じ顔にして、「やめろ！やめろ！」 とか「うるさいな、じじ」叫んだり、お祖父さんをから かったりし続けた
ijiwarui ano ko wa onaji kao ni shite, "yamero! yamero!" toka "urusai na, jiji" sakendari, osofu-san wo karakattari shitsudzuketa

that mischevious boy (making the same face) continued to tease the old man, mockingly shouting "stop it! stop it!" and "you annoying old man"

ill pass 罰(batsu)- punishment