誓约

qǔ xiāo shì yuē

取消誓约

abrogate one's vow

qiān xia shì yuē

签下誓约

sign a pledge

zài duì péng you shì yuē huò zhě lǐ xiǎng de zhōng chéng shang háo bù dòng yáo

在对朋友、誓约或者理想的忠诚上毫不动摇

unswervingly loyal to friends, vows, or ideals