1 sentence

1. 就在比赛的关键时刻，他亮出了自己的杀手锏。

   jiù zài bǐ​sài de guān​jiàn shí​kè, tā liàng​chū le zì​jǐ de shā​shǒu​jiǎn.

   At the critical moment of the match, he revealed his trump card.

   Source: Dong Chinese Dictionary