For bilingual students , Mnemonics is perhaps the best way to acquire and ,more importantly, retain foreign language vocabulary. Between 1972 and 1975 Richard C. Atkins conducted a research program for the US Navy to facilitate the acquisition of Russian vocabulary by naval ratings. On all measures the keyword method proved to be highly effective, yielding for the most critical test a score of 72% correct for the keyword group compared to 46% for the control group.
We have taken the keyword method and coupled that with picture cues to facilitate even longer vocabulary retention. All you need to acquire a sizable vocabulary is a little imagination and a sense of humor