burst in on/upon somebody/something phrasal verb (see also burst)
to interrupt someone or something by entering a room, in a way that embarrasses you or other people:
I’m sorry to burst in on you like this.

[TahlilGaran] Dictionary of Contemporary English ▲

burst in on
burst in (on (someone/something))
to enter or appear suddenly or unexpectedly.
She was in the middle of teaching her writing class when the head of the English department burst in.

“Sorry to burst in on you like this,” Nick apologized to the room full of surprised people.

[TahlilGaran] English Idioms Dictionary ▲

burst in on something
burst in (on (someone/something))
to enter or appear suddenly or unexpectedly.
She was in the middle of teaching her writing class when the head of the English department burst in.

“Sorry to burst in on you like this,” Nick apologized to the room full of surprised people.

[TahlilGaran] English Idioms Dictionary ▲

burst in on
• burst in on (someone or something)
to enter a room and interrupt someone or some activity
The woman burst in on the meeting just as it started.

[TahlilGaran] English Idioms Dictionary ▲

burst in on something
• burst in on (someone or something)
to enter a room and interrupt someone or some activity
The woman burst in on the meeting just as it started.

[TahlilGaran] English Idioms Dictionary ▲

burst in on someone
burst in (on (someone/something))
to enter or appear suddenly or unexpectedly.
She was in the middle of teaching her writing class when the head of the English department burst in.

“Sorry to burst in on you like this,” Nick apologized to the room full of surprised people.

[TahlilGaran] English Idioms Dictionary ▲

burst in on someone
• burst in on (someone or something)
to enter a room and interrupt someone or some activity
The woman burst in on the meeting just as it started.

[TahlilGaran] English Idioms Dictionary ▲