dither|dithered|dithering

他在重要演讲前紧张得不知所措。

He was in a ___dither before his important speech.

他在两个工作机会之间犹豫不决。

He ___dithered between the two job offers.

别再犹豫了，赶紧选一个礼物吧！

Stop ___dithering and just pick a gift!