your his etc. word is (as good as) your his etc. bond
释义
●your, his, etc. ˌword is (as ˌgood as) your, his, etc. ˈbondused to say that sb always does what they promise to do一诺千金;言而有信◆Don’t worry, you can trust my brother. His word’s as good as his bond.别担心,你完全可以相信我哥哥。他言出必行。