答: to answer, to reply, to respond...
籍贯: one's native place, place of ancestry, registered birthplace...
进出口: import and export...
拓展: to expand (one's client base, outlook etc)...
力所能及: as far as one's capabilities extend (idiom); to the best of one's ability, within one's powers...
晃荡: to rock, to sway, to shake...
发现: to find, to discover...
措手不及: no time to deal with it (idiom); caught unprepared...
旋涡: spiral, whirlpool, eddy, vortex...
利: sharp, favorable, advantage, benefit, profit, interest, to do good to, to benefit...