为了梦想，他不惜付出一切努力。

Wèile mèngxiǎng, tā bùxī fùchū yīqiè nǔlì.

For the dream, he spared no effort.

面对困难，我们不惜艰苦努力。

Miàn duì kùnnán, wǒmen bùxī jiānkǔ nǔlì.

Faced with difficulties, we spare no effort to work hard.

她为了救人，不惜冒着生命危险。

Tā wèile jiù rén, bùxī màozhe shēngmìng wēixiǎn.

She risks her life to save others without hesitation.