这么大 没完没了
“You're a grown man, yet you don't know when to stop.”
THE DIALOGUE REEL
你这没完
“You never stop!”
这么大 没完没了
“You're a grown man, yet you don't know when to stop.”
你给我松开
“Let go of me!”
“You're a grown adult, stop throwing this endless tantrum!”
Reproaching someone with their age or physical maturity ('这么大') is a standard way to shame them into behaving with self-control.
LEARNING CHUNKS & PARTICLES
endless / without stop
A very common idiom used to express intense irritation toward an action or complaint that refuses to end.
so grown up / this big
Often used to reproach someone of mature age for behaving in an immature or petulant manner.