重担

重担	zhòng dàn	heavy burden; difficult task; great responsibility
重	chóng	to repeat / repetition / again / re- / classifier: layer
重	zhòng	heavy / serious / to attach importance to
担	dān	to undertake / to carry / to shoulder / to take responsibility
担	dàn	picul (100 catties, 50 kg) / two buckets full / carrying pole and its load / classifier for loads carried on a shoulder pole