进入 + Place/State
The verb 进入 (jìnrù) means 'to enter' or 'to go into' and is more formal than the simpler 进. It is used for both physical entry into a place and abstract entry into a state, phase, or orbit.
火箭成功进入了预定轨道。
Huǒjiàn chénggōng jìnrù le yùdìng guǐdào.
The rocket successfully entered its designated orbit.
请出示证件才能进入这栋大楼。
Qǐng chūshì zhèngjiàn cái néng jìnrù zhè dòng dàlóu.
Please show your ID to enter this building.
公司已经进入了快速发展的阶段。
Gōngsī yǐjīng jìnrù le kuàisù fāzhǎn de jiēduàn.
The company has entered a stage of rapid development.