英语翻译everybody knows the --- (invent) names and their---(inve

it's dangerous to play with fire.
everybody knows the __invention_ (invent) names and their_inventor__(invent)
is the math problem _east__?Yes ,I can't work it out _easily___.
walk _past_/through_ the shop.you'll find the cafe.
past 和through 其实都可以,要看具体语境.
walk past 是指从商店外面经过.
walk through是指从商店里面穿过.