ふさがっている

(1)kept occupied or engaged; "she's tied up at the moment and can't see you"; "the phone was tied up for almost an hour"

(2)占領し続けられるあるいは塞がれている

(1)she's tied up at the moment and can't see you

(2)彼女は今手が離せず、あなたには会えない

(3)the phone was tied up for almost an hour

(4)電話は一時間近く不通となった