僵局: impasse, deadlock...
万古长青: remain fresh, last forever, eternal...
百分点: percentage point...
电视台: television station...
实质: substance, essence...
小心翼翼: cautious and solemn (idiom); very carefully, prudent, gently and cautiously...
眉毛: eyebrow...
保修: to promise to keep sth in good repair, guarantee, warranty...
关键: crucial point, crux, key, crucial, pivotal...
烟囱: chimney...