verb
1
BAD : The number of foreign workers that are allowed to enter into Japan has increased.
GOOD : The number of foreign workers that are allowed to enter Japan has increased.
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enter a room, building, country etc (WITHOUT into ): 'Whenever a teacher entered the room, the children had to stand up.'
2
BAD : I entered the train in Oslo.
GOOD : I got on the train in Oslo.
GOOD : I boarded the train in Oslo.
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get on/board a train/plane/ship: 'The ticket inspector wanted to know where I had got on.' 'There's still time for some duty-free shopping before we have to board the plane.'
3
BAD : Unfortunately, some of my classmates didn't enter university.
GOOD : Unfortunately, some of my classmates didn't get into university.
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get into (a) college, university etc (= be admitted to): 'What qualifications do you need to get into medical school?'