3 sentences for 捐 (juān — abandon)

1. 这位老战士愿意随时为国捐躯。

   zhè wèi lǎo zhàn​shì yuàn​yì suí​shí wèi guó juān qū.

   This veteran is willing to sacrifice his life for the country at any time.

   Source: Dong Chinese Dictionary

2. 功不唐捐，你的努力一定会有回报。

   gōng bù táng juān, nǐ de nǔ​lì yī​dìng huì yǒu huí​bào.

   No effort is ever wasted; your hard work will definitely pay off.

   Source: Dong Chinese Dictionary

3. 为了民族的解放，许多志士英勇捐躯。

   wèi​le mín​zú de jiě​fàng, xǔ​duō zhì​shì yīng​yǒng juān qū.

   Many people with lofty ideals courageously sacrificed their lives for the liberation of the nation.

   Source: Dong Chinese Dictionary