tā / běn / lái / dā / ying / cān / jiā / bǐ / sài / tīng / shuō / duì / shǒu / hěn / qiáng / hòu / què / dǎ / tuì / táng / gǔ / le

他本来答应参加比赛，听说对手很强后却打退堂鼓了。

He had agreed to enter the competition, but backed out after hearing that his opponent was very strong.