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

成語
1.
越軌, 行為不端
to behave badly or break the rules
範例:
•
If you step out of line, you'll be punished.
如果你越軌,你就會受到懲罰。
•
The teacher warned the students not to step out of line during the field trip.
老師警告學生在實地考察期間不要越軌。
在 Lingoland 學習這個單詞