做证: testify, bear witness (same as 作证)...
不论: whatever, no matter what (who, how etc), regardless of, not to discuss...
底线: to underline, bottom line, base line (in sports), baseline, minimum, spy, plant...
条: strip, item, article, clause (of law or treaty), classifier for long thin things (ribbon, river, road, trousers etc)...
奇妙: fantastic, wonderful...
生意: business...
追尾: to tailgate, to hit the car in front as a result of tailgating...
一概: all, without any exceptions, categorically...
狠: ruthless, fierce, ferocious, determined, to harden (one's heart), old variant of...
周转: to rotate, to circulate (cash, stock etc), turnover, circulation, cash flow...
