The phrase "and trying to break in" is correct and usable in written English.
It can be used in contexts where someone is attempting to enter a place or situation, often without permission.
Example: "I heard noises outside my window, and trying to break in, the intruder was caught by the police."
Alternatives: "and attempting to enter" or "and trying to gain access".
"I wanted my Becky to be a figure that is out of her class and trying to break in," she said.
"When I lived here, I was at the mercy of the generation we are now, and trying to break in," he said.
One day Father Khoat and a diocesan staff worker had found two women living with their children in a house miles from town, half‐starved and panicky; their husbands had been away on a fishing boat for 10 days and a prowler had been coming arcund to their house every night and trying to break in.
I recently spoke with a computer forensics specialist who told me that he used the log of a card-key system to show convincingly that an employee suspected of visiting pornographic websites and trying to break in to corporate computers had actually been framed by someone in his company's IT support group.
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What is happening in Brazil?" Thousands gathered at São Paulo's main cathedral and made their way to the mayor's office, where a small group smashed windows and tried to break in, forcing guards to withdraw.
"Right behind them came employees from the state television NTV, who aren't leaving and are trying to break in," he said.
It hasn't taken long for those on the sand to calculate the difference between a surfer the caliber of Machado, who once won the prestigious Pipeline Masters, and those trying to break in, or hang on, to their professional careers.
"I'm worried that there are more people with computers and more savvy people trying to break in," said the head of technology at a large New York bank who insisted on anonymity.
Someone was mowing their lawn and I was convinced someone was trying to break in". She said she removed her campaign office address and even considered dropping out.
