空闲 | kòng xián | idle / free time / leisure / unused (place) | |
空置 | kōng zhì | to set sth aside / to let sth lie idle / idle / unused | |
闲散 | xián sǎn | idle / unused / at leisure | |
闲置 | xián zhì | to leave sth unused / to lie idle | |
尘封 | chén fēng | covered in dust / dusty / lying unused for a long time | |
余码 | yú mǎ | excess code (i.e. the unused bits in binary-coded decimal) | |
未用选票 | wèi yòng xuǎn piào | unused ballot |