to exert effort in order to do, make, or perform something; "the child worked at the multiplication table until she had it down cold
work at
التركية النطق
wırk ät
النطق
/ˈwərk ˈat/ /ˈwɜrk ˈæt/
علم أصول الكلمات
[ 'w&rk ] (noun.) before 12th century. Middle English werk, work, from Old English werc, weorc; akin to Old High German werc work, Greek ergon, Avestan varandzem activity.