死心 (sǐ xīn): To give up hope / to be reconciled to death (Verb) — Meaning & Stroke Order

Despite repeated setbacks, he still refuses to give up hope and continues to seek breakthroughs.

Faced with an irretrievable defeat, the general finally gave up hope and ordered a retreat.

She tried many times without success and finally gave up.

Do you still not give up hope and intend to continue investing in this doomed-to-fail project?

He did not give up hope because of temporary setbacks; instead, he became even more determined.

Seeing the other person's indifferent attitude, he completely gave up hope.

Only after receiving the explicit rejection letter did she completely give up hope and no longer harbor any illusions.