极端的 [词典] extreme; supreme; [经] ultra; exceeding; dire; [例句]它们能够经受极端的气温和天气状况而不褪色、不破裂。They can withstand extremes of temperature and weather without fading or cracking.
进行到底 [jìn xíng dào dǐ] carry sth. through to the endfollow throughfollow sth. through to the end极端 [jí duān] extremesextremeexceeding{物} (极部) pole tip将极端进行到底carry the exceeding(s)/extreme(s) through to the end to the end 是"到底"