3 sentences

1. 拳击手在第一回合就被击倒了。

   quán​jī​shǒu zài dì​yī huí​hé jiù bèi jī​dǎo le.

   The boxer was knocked down in the first round.

   Source: Dong Chinese Dictionary

2. 拳击手在第一回合就击倒了对手。

   quán​jī​shǒu zài dì​yī huí​hé jiù jī​dǎo le duì​shǒu.

   The boxer knocked out his opponent in the first round.

   Source: Dong Chinese Dictionary

3. 生活中的重重困难并没有将他击倒。

   shēng​huó zhōng de chóng​chóng kùn​nan bìng méi​yǒu jiāng tā jī​dǎo.

   The many difficulties in life did not manage to break him.

   Source: Dong Chinese Dictionary