Word: 到顶 (dàodǐng)

米汤洗头，糊涂到顶

mǐtāng xǐtóu, hútu dàodǐng

washing hair with rice water: muddled to the top

脖子上磨刀，危险到顶

bózi shang módāo, wēixiǎn dàodǐng

sharpening a knife on one's neck: danger reaches the top

起火上房檐，劲儿使到顶了

qǐhuǒ shàng fángyán, jìnr shǐ dàodǐngle

a rocket going up to the eaves: the strength is used up to the top