过问: to show an interest in, to get involved with...
简单: simple, not complicated...
研究: research, a study, to research, to look into...
钻空子: to drill a hole, to take advantage of a loophole, to exploit an advantage, to seize the opportunity (esp. to do sth bad)...
综上所述: to summarize, to sum up...
火候: heat control, maturity, crucial moment...
转身: (of a person) to turn round, to face about, (of a widow) to remarry (archaic)...
全体: all, entire...
二手: indirectly acquired, second-hand (information, equipment etc), assistant...
轰: explosion, bang, boom, rumble, to attack, to shoo away, to expel...
