not last long idiom (UK also not last five minutes)
快失败了；长不了
to fail or be unsuccessful very soon
You won't last long in your job if you carry on being so rude to the customers. 如果你继续这样粗暴地对待顾客，那么你这份工作就快干到头了。
He wouldn't last five minutes in the police force - it's far too tough for him. 他在警察队伍里呆不了多久——他受不了那份苦。