step out of line
US /stɛp aʊt əv laɪn/
UK /stɛp aʊt əv laɪn/

1.
melanggar peraturan, berkelakuan buruk
to behave badly or break the rules
:
•
If you step out of line, you'll be punished.
Jika anda melanggar peraturan, anda akan dihukum.
•
The teacher warned the students not to step out of line during the field trip.
Guru memberi amaran kepada pelajar agar tidak melanggar peraturan semasa lawatan lapangan.