微博: microblogging, microblog...
历史: history...
啊: modal particle ending sentence, showing affirmation, approval, or consent...
回味: to reflect on, to ponder over, aftertaste...
廉洁: honest, not coercive, honesty, integrity, incorruptible...
门槛: doorstep, sill, threshold, knack or trick (esp. scheme to get sth cheaper)...
泄: to leak (of water or gas), to drip, to drain, to discharge, to leak out, to divulge (secrets), to give vent (to anger, spite etc), to disperse, to reduce...
分成: to divide (into), to split a bonus, to break into, tenths, percentage allotment...
宝宝: darling, baby...
家喻户晓: understood by everyone (idiom); well known, a household name...