shut someone/something in (something)
phrasal verb with shut verb [ I or T ] uk/ʃʌt/ us/ʃʌt/ shutting | shut
（为防止逃脱而）把…关起来，把…关在…里
to prevent someone or something from leaving a place, usually by closing or fastening a door or gate
The cat was shut in the garage all night. 猫在车库里被关了一整夜。
He was so upset that he shut himself in his bedroom and refused to come out. 他难过得把自己关在卧室里，不肯出来。