to pick up on
pick
pɪk
pik
up
ʌp
ap
on
ɒn
on

Definition & Meaning of "pick up on"in English

to pick up on
01

to notice something that is not immediately obvious 

Transitive: to pick up on a situation
to pick up on definition and meaning
Grammatical Information
Composition
phrasal
Action verb
Regular
Inseparable
Particle
on
Base verb
pick up
Present tense
pick up on
3rd person singular
picks up on
Present participle
picking up on
Past simple
picked up on
Past participle
picked up on
Examples
As a skilled detective, he could pick up on subtle behavioral cues that indicated when someone was lying. 
02

to express disapproval or correct someone's statement 

Transitive: to pick up on an error or remark
Examples
In the debate, he misquoted a statistic, but his opponent immediately picked up on it and corrected him. 
03

to refer to or comment on a topic or point that was mentioned earlier in a conversation 

Transitive: to pick up on a topic or point
Examples
Earlier in our chat, you brought up a new book you were reading. I wanted to pick up on that and ask for the title. 
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