工会威胁说如果不答应他们的要求,他们就怠工.The union threatened a slowdown if their demands were not met.他不答应, 你就跟他磨.If he doesn't agree, just keep on at him until he does.答应吧,办不到;不答应吧, 又有点难为情.It's not feasible to comply, but a bit...

“不答应”的英语可以翻译为：disapprobation，nonacceptance ...