jīngguò / duōnián / xùnliàn / tā / zhōngyú / zài / quánguó / bǐsài / zhōng / duódé / qíwáng / chēnghào经过多年训练,他终于在全国比赛中夺得棋王称号。After years of training, he finally won the title of chess champion in the national competition.