by informing on the gang, he was signing his own death-warrant . 他告發(fā)了那幫歹徒,自己的性命也就難保了。
long before they became widely known her was informed on the latest inventions and scientific advances . 他比別人早知道當(dāng)時(shí)剛出現(xiàn)的發(fā)明和科學(xué)進(jìn)展。
the chances of being informed on and caught will increase with that sort of people they approach . 他們每接觸到那類人,都會(huì)增加被出賣和被抓住的機(jī)會(huì)。