难以为继 nányǐwéijì difficult to maintain Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 经过长达数小时的激烈比赛,他已感到体力已弊,难以为继。 jīngguò chángdá shù xiǎoshí de jīliè bǐsài, tā yǐ gǎndào tǐlì yǐ bì, nányǐwéijì. After several hours of intense competition, he felt physically exhausted and found it difficult to keep going. Source: Dong Chinese Dictionary