3 sentences

1. 他设法从混乱的现场脱身。

   tā shè​fǎ cóng hùn​luàn de xiàn​chǎng tuō​shēn.

   He managed to get away from the chaotic scene.

   Source: Dong Chinese Dictionary

2. 他不幸被系于狱中，无法脱身。

   tā bù​xìng bèi xì yú yù​zhōng, wú​fǎ tuō​shēn.

   Unfortunately, he was imprisoned and could not get away.

   Source: Dong Chinese Dictionary

3. 由于工作太忙，他实在无法脱身去参加聚会。

   yóu​yú gōng​zuò tài máng, tā shí​zài wú​fǎ tuō​shēn qù cān​jiā jù​huì.

   Because he was so busy with work, he couldn't get away to attend the party.

   Source: Dong Chinese Dictionary