The heart stands up and pushes back against the weight pressing down on it. It stiffens its muscles to keep moving forward even when the heavy load tries to crush it.
Example Usage
Thai: ถึงจะเหนื่อยแค่ไหน เขาก็ยังมีใจสู้
Transliteration: tǔeng jà nùeai kâae nǎi, kǎo gâaw yang mii jai sûu
Translation: No matter how tired he is, he still has a fighting spirit.