صفة “vain”
 الصيغة الأساسية vain (more/most)
- عقيمسجّل لرؤية ترجمات الجمل المثال والتعريفات الأحادية لكل كلمة. 
 They tried in vain to push the broken car up the steep hill. 
- مغرورShe was so vain that she spent hours looking at herself in the mirror every day. 
- تافهHis promise turned out to be vain when he failed to follow through with any action.