Word OriginOld English sacu ‘contention, crime’, of Germanic origin; related to Dutch zaak and German Sache, from a base meaning ‘affair, legal action, thing’. The phrase for the sake of may be from Old Norse.
Idioms
for Christ’s, God’s, goodness’, heaven’s, pity’s, etc. sake
for old times’ sake
if you do something for old times’ sake, you do it because it is connected with something good that happened to you in the past 看在旧日的情分上;念及老交情
for something’s sake
for the sake of somebody/something | for somebody’s/something’s sake
in order to help somebody/something or because you like somebody/something 为了某人(或某事)起见;因某人(或某事)的缘故
for the sake of something
in order to get or keep something 为获得(或保持)某物
(just) for the sake of it