To settle one's bill and leave a hotel or other place of lodging.结帐离开：结帐并且离开旅馆或其它住所
To withdraw (an item) after recording the withdrawal:办妥手续之后取出（某物）：check out books.借出书籍
To record and total up the prices of and receive payment for (items being purchased) at a retail store:收款：零售商店中对所购商品的记录、计价及收款：The cashier checked out and bagged my order.收款员计价收款并给我包装了商品