biggie

He met with some television biggies.他遇到几个电视圈的大人物。

They've had problems before, but this one's a real biggie.以前他们遇到过问题，但这次才是大麻烦。

(chiefly US) “Sorry I'm late.” “No biggie. [=it's not a problem] I'm not in a hurry.”“对不起，我迟到了。”“不要紧，我不急。”