on tiptoe

• 踮脚； 翘首以待

on tiptoe的用法和样例：

例句

1. Several children are standing on tiptoe to look into the house.
   几个孩子正踮脚往窗子里看。

词汇搭配

• be on tiptoe with curiosity 充满好奇心,好奇得心...