on the button基本解释
在下巴尖上; 准确地
on the button网络解释
1. 百发百中,切中要害：95. button your lip 闭口不谈 | 96. onthebutton 百发百中,切中要害 | 97. buttonhole 拉住人不放,并且没完没了的长谈
2. 准确地,准时地：Can't but do sth.=can't help doing sth.不得不 | 93. Onthebutton准确地,准时地 | 94. Buy sth.for sb.=buy sb.sth.给某人买某物
3. 正好：26.Now, you're talking. 這才像話. | 1.onthebutton :正好------------------------------------------ H 7 | 2.onthe heels :緊追------------------------------------------- H 10
4. 击中下颌 确切; 抓着要点, 能说明问题; 准时：not worth a button 一钱不值 | onthebutton 击中下颌确切 抓着要点, 能说明问题 准时 | press thebutton 按钮拍快照开始采取有效行动
on the button英英释义
adj
1. being precise with regard to a prescribed or specified criterion
e.g. his guess was onthe nose
the prediction for snow was right onthebutton
Synonym: on the nose
adv
1. just as it should be
e.g. `Precisely, my lord,' he said
Synonym: preciselyexactlyon the noseon the dot