big time noun
Learner's definition of BIG TIME
the big time
: the highest or most successful level of an activity巨大成功；顶尖水平 -
He was a good basketball player but he never made (it to) the big time.他篮球打得不错，但从未达到一流水平。
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The group performed in small clubs for years before hitting the big time [=becoming very successful] with a record deal.在签订唱片合约大红大紫之前，这个乐团有好几年都在小俱乐部里表演。