【法】 illegal contract

違法的英語翻譯：

break the law; irregularity; transgress
【醫(yī)】 illegitimacy
【經(jīng)】 breach of law; misfeasance

契約的英語翻譯：

bargaining; bond; contract; covenant; deed; indent; indenture; obligation
pact; stipulation
【經(jīng)】 agreement; agreements; bargain; compact; contract; deed; indenture
instrument; title deed