on hand in hand at hand的区别

例如:I always keep a dictionary at hand. 我总是把字典放在手边.Spring is at hand. 春天即将来临。...www.toutiao.com

at hand(截止日期临近)。 in hand:强调「在掌控中/进行中/已持有」,突出事物处于被处理、被控制的状态[[1][3][6]]。例:The project is well in hand(项目进展顺利)。 on ha...

on hand 强调的是 在手边 或 在场 ,意味着某物或某人就在附近,可以立即使用或提供帮助.例如, There was simply no cash on hand to meet the cost of food. (手头根本没有...