It is a good idea to place your order well in advance.早早就提前下单是个好主意。We have a fairly good idea of what's going on.我们对正在发生的事有着相当清楚的认识。It is not a good idea to burst a blister.把水泡挑破不是个好主意。...

have a good idea of的音标：have a good idea of的英式发音音标为：[hæv ə ɡud ai'diə ɔv]have a good idea of的美式发音音标为：[hæv e ɡʊd aɪ'diə ʌv]...

好主意...

good idea的音标：good idea的英式发音音标为：[ɡud ai'diə]good idea的美式发音音标为：[ɡʊd aɪ'diə]...

（非常）了解；清楚地了解（知道）...