[ shíyán ] go back on one's word; eat one's own words; break one's promise 短语和例子 如果他答应帮忙,他就不会食言。if he promised to help, he will not go back on his promise. 他答应把书留给我之后, 却食言而把它卖给了别人。ater promising to keep the book for me, he broke his word and sold it to someone else
决不食言: never to retract one's words; i certainly will not retract my words.; never to break one's promise; never to go back on one's word; on no account to go back on one's promise
比喻食言: stick to one‘s promisestick to one’s promise