1·If an interactive computer screen is to match a whiteboard in usefulness, it must be viewable from arm's length as well as from across a room.
如果一个交互式计算机屏幕要在实用性上与白板相匹配，它必须在手臂长度范围和横跨房间范围内是可视的。
2·I held it at arm's length.
我伸直胳膊提着它。
—— 《牛津词典》
3·He keeps all his clients at arm's length.
他不与任何委托人过分亲密。
—— 《牛津词典》
4·He struck a match, and held it at arm's length.
他划了根火柴，然后伸长胳膊举着。
—— 《柯林斯英汉双解大词典》
5·She had always kept the family at arm's length.
她一直和家人保持一定距离。
—— 《柯林斯英汉双解大词典》
6·Moreover, we like to think of ourselves as friendly, yet we prefer to be at least 3 feet or an arm's length away from others.
此外，我们倾向于认为自己是友好的，但我们更喜欢与他人保持至少3英尺或一臂远的距离。
7·The gain was minimal, not an arm's length.
进展甚微，移动了不到一条胳膊的长度。
8·And a book that was at arm's length is now much closer.
一臂之长的一本书现在就更近了。
9·James rarely speak to his wife, he keeps her at arm's length.
詹姆斯难得对妻子讲话，他对她若即若离。
10·In other words, they like to keep each other "at arm's length."
也就是说，他们喜欢让彼此保持一只手臂的距离。