詞彙 "go back on one's word" 在中文的含義

"go back on one's word" 在英語中是什麼意思?與 Lingoland 一起探索這個詞的含義、發音及具體用法

go back on one's word

US /ɡoʊ bæk ɑn wʌnz wɜrd/
UK /ɡəʊ bæk ɒn wʌnz wɜːd/

成語

食言, 出爾反爾

to fail to keep a promise or agreement

範例:
He promised to help me, but then he went back on his word.
他答應幫我,但後來食言了
A good leader never goes back on their word.
一個好的領導者從不食言