put your finger on

US /pʊt jʊər ˈfɪŋ.ɡər ɑːn/
UK /pʊt jʊər ˈfɪŋ.ɡər ɑːn/
"put your finger on" picture
1.

يضع إصبعه على, يحدد بالضبط

to identify exactly what is wrong or what has caused a problem

:
I know something is wrong, but I can't quite put my finger on it.
أعلم أن هناك شيئًا خاطئًا، لكن لا أستطيع أن أضع إصبعي عليه تمامًا.
The manager couldn't put his finger on why sales were declining.
لم يستطع المدير تحديد سبب انخفاض المبيعات.