Wordnet polsko-angielski 
                         (earnest and conscientious activity intended to do or accomplish something
"made an effort to cover all the reading material"
"wished him luck in his endeavor"
 "she gave it a good try") 
attempt, effort, endeavor, endeavour, try 
synonim: usiłowanie
synonim: próbowanie
synonim: czynienie prób
synonim: podejmowanie prób
synonim: czynienie wysiłków