The teacher gave the student a subtle nudge to remind him to focus.
helpful nudge
Frequency:
50
%
The advice served as a helpful nudge in the right direction.
friendly nudge
Frequency:
45
%
He received a friendly nudge from his coworker to join the meeting.
Idiomatic Expressions for nudge
Phrase: nudge something along
Meaning: to help or encourage something to progress or move forward
Usage: I tried to nudge the project along by offering my assistance.