He kept bumbling on about his operation, but I didn't really understand all the details.
He kept bumbling on about his operation, but I didn't really understand all the details.
他一直含混地大谈手术经过，但对那些细节我根本就听不懂。
He kept bumbling on about his operation, but I didn't really understand all the details.
他一直含混地大谈手术经过，但对那些细节我根本就听不懂。