丁: ding [fourth of the ten Heavenly Stems(天干)], fourth...
瞧: to look at, to see, to see (a doctor), to visit...
那时候|那时: at that time...
电器: (electrical) appliance, device...
大公无私: selfless, impartial...
轮: round, turn...
通往: to lead to...
心甘情愿: delighted to (do sth, idiom), perfectly happy to do, most willing to do...
持之以恒: to pursue unremittingly (idiom); to persevere...
招标: to invite bids...