贴切: close-fitting, closest (translation)...
前无古人: unprecedented (event, etc.), have no predecessors, no ancients in the past have done, without parallel in history...
朝夕相处: be together morning and night, be closely associated...
为何: why...
荆棘: thistles and thorns, brambles, thorny undergrowth...
为主: to rely mainly on, to attach most importance to...
奶牛: milk cow, dairy cow...
皮带: strap, leather belt...
消遣: to while the time away, amusement, pastime, recreation, to make sport of...
地质: geology...
