Johnny-on-the-spot
美
英 
- adj.召之即來的
- n.召之即來者
- 網絡待命執行任務的人;俚待命執行任務的人
英漢解釋
英英解釋
例句
Luckily he was Johnny on the spot and was given his highly important position.
他很幸運,會抓機會,得到了非常重要的職位。
My assistant is a real Johnny-on-the-spot. He's always there when I need his help in the lab.
我的助手真是個機靈鬼,當我在實驗室里需要有人幫忙時,他總是出現在我身旁。
When fighting broke out among the students, our teacher was Johnny-on-the-spot and stopped it.
學生們開始打架時,老師正好在旁邊,于是平息了這場打斗。