先的英語翻譯：

ancestor; before; deceased; earlier; in advance
【醫(yī)】 fore-

行的英語翻譯：

all right; business firm; profession; capable; carry out; prevail; conduct; go
travel; range; row; soon
【計】 row
【醫(yī)】 dromo-
【經(jīng)】 line

違約的英語翻譯：

break a contact; break a promise
【經(jīng)】 act in violation of the stipulation; breach of contracts
break an agreement; break one's enaggements; default; in default