pick up on

US /pɪk ʌp ɑːn/
UK /pɪk ʌp ɑːn/
"pick up on" picture
1.

察覺, 注意到

to notice or become aware of something

:
She was quick to pick up on his nervousness.
她很快就察覺到他的緊張。
Did you pick up on any strange vibes from the new neighbor?
你有沒有察覺到新鄰居有什麼奇怪的地方?
2.

掌握, 理解

to understand something after it has been explained or demonstrated

:
It took him a while to pick up on the new software.
他花了一段時間才掌握新軟體。
The students quickly picked up on the new grammar rules.
學生們很快就掌握了新的語法規則。