- 満期解約{まんき かいやく}
- at the expiration of: 満期とともに
- expiration: expiration n. 終了, 満了.【前置詞+】The warranty is invalid after the expiration of a year following purchase.購入後 1 年経過するとその保証書は無効となるat the expiration of the term of the contract契約期間切れの際He retired from publi
- on the expiration: 期限が切れたとき