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keep track 通晓事态，注意动向;
In fact there are so many variations and revenue pipelines, it's hard to keep track.
事实上，《愤怒的小鸟》版本众多和盈利渠道多样，很难一一追踪。
You may want to set up a time log, calendar, or checklist to keep track of your accomplishments.
你可以保存一个时间文件、日历或项目清单来记录自己取得的成就。
get back at <俚>实行报复
I'll get back at him one day!
总有一天，我要对他进行报复！
He tricked me this time but I'll get back at him one day. 女生版声音 男生版声音
这次他欺骗了我，但总有一天我会报复他的。
