1·My mother was so touched by her gesture that she decided to go back to the store and give the cashier a five-dollar bill to keep on hand in case the same happened to someone else if they didn't have enough money for all of their groceries.
我母亲被她的举动感动了，她决定回到店里，给收银员一张五美元的钞票，让他放在手边，以防别人在没有足够的钱支付所购买的东西时发生同样的情况。
2·Fill ice cube trays with lemon juice. Once frozen, store the cubes in a plastic resealable bag. This way you always have fresh lemon juice on hand.
在制冰盒中装满柠檬汁。冷冻后，把冰块储放在可再次密封的塑料袋中。这样你在手边随时都有新鲜的柠檬汁。
3·The emergency services were on hand with medical advice.
随时都有急诊服务，并提供医疗咨询。
—— 《牛津词典》
4·There are experts on hand to give you all the help and advice you need.
有现成的专家随时为你提供所需的一切帮助和建议。
—— 《柯林斯英汉双解大词典》
5·Give away any food you have on hand, or lock it up and give the key to the neighbours.
把你手头的食物分发送人，或锁藏起来，把钥匙交给邻居们。
—— 《柯林斯英汉双解大词典》
6·None of this is likely to be on hand if you cannot even afford to mend the dismally few highways you have.
如果你甚至不能承担惨淡的几条高速公路的维修，那么这些都不太可能发生。
7·There is no human supervision, but an attendant will be on hand to accept cash and explain the system to newly users.
这里没有人工监督，但会有一名服务员在现场接受现金，并向新用户介绍系统。
8·Albrecht was always on hand to answer any questions and to help the children discover about computers in their own way.
Albrecht 总是随时准备着回答孩子们的问题，并帮助他们用自己的方式了解计算机。
9·Steamboats were not only faster but also transported upriver freight for about one-tenth of what it had previously cost on hand-propelled keelboats.
蒸汽船不仅速度更快，往上游运送货物的成本也只有以前手推运货船的十分之一。
10·For the last three years, light shows on the Bund have been successfully held for New Year's Eve celebrations, but this year the light show was canceled and there were fewer police on hand.
在过去的三年里，外滩的灯光表演在新年前夜的庆祝活动上成功举办，但今年的灯光表演被取消了，现场的警察也减少了。
1·If a has sufficient funds on hand, money is subtracted from one account and added to another account.
如果手头的资金充足，则从一个账户中减去资金，并添加到另一个账户中。
2·But when he grows older, this child of Bethlehem will have lots of wise people on hand to explain the mysteries of his birthplace.
但是，当他年龄更长，这个伯利恒孩子的手头，会拥有许许多多智慧之人，为他解释形形色色的出生地之谜。
3·Things like always having a notebook and pen on hand to capture to-do items as they came up, daily and weekly action items, and the next actionable item for any task.
比如手头总备有一个笔记本和笔将要做的事情记下来并记下每日和每周的行动项目以及任何任务中的一个可操作的项目。
4·Regulators from Europe and the U.S. came up with an agreement that would force Banks to keep more capital on hand, as a cushion when loans go bad.
来自欧洲与美国的监管者们制定了这项协议，迫使银行手头持有更多资金，从而当不良贷款发生时能够有所缓冲。
5·And for those of us who spend entirely too much time in social networks, having these gadgets on hand means we won't miss out on the important information that matters most.
而对于那些在社交网络上耗费太多光阴的人来说，手头有这些小工具即意味着这些人不会再错失那些极其重要的信息了。
1·Of course, there is no one toolkit for all developers and situations, but there are fundamental tools and capabilities that we should all have on hand.
当然，不存在单个适用于所有开发人员和情境的工具箱，但是有一些基本的工具和功能是我们手边全都应该具备的。
2·With so much work on hand, you shouldn't have gone to see the game last night.
手边有这么多工作，你昨天晚上本不该去看比赛的。
3·With so much work on hand, you shouldn't have gone to see the game last night.
手边有这么多工作，你昨天早晨本不该去看比赛的。
4·Since 1963, the first pop can brought up, it became the most convenient beverage for youth on hand or in vending machine.
自从1963年第一只易拉罐诞生以来，年轻人手边、街边自动售货机中最方便的饮料就是易拉罐。