孩子有病。妈妈急得火烧火燎的。

The mother was filled with anxiety about her child's illness.

她的头和背感到火烧火燎的。

Her head and back felt on fire.

我的大腿肌肉和臀大肌开始火烧火燎的疼，但是仅过了三英里，我的热情就燃了起来。

My thighs and glutes strained and started to burn, but for three miles, my enthusiasm grew.

他一边说着，一边把长长的食指放到那红字上，那字立刻火烧火燎地像是烙进了海丝特的胸膛。

As he spoke, he laid his long fore-finger on the scarlet letter, which forthwith seemed to scorch into Hester's breast , as if it ad been red hot.

辣度也十分恰当——不是中南美洲辣椒夏宾奴那种火烧火燎、久久不绝的辣，而更像是一种温暖的、柔和的、有热度的辣。

The spice level is also great - not the lasting habanero style burn, but more of a warm smooth heat.