取得: to acquire, to get, to obtain...
技艺: skill, art...
除: to get rid of, to remove, to exclude, to eliminate, to wipe out, to divide, except, not including...
温习: to review (a lesson etc)...
惨: miserable, wretched, cruel, inhuman, disastrous, tragic, dim, gloomy...
竭尽全力: to spare no effort (idiom); to do one's utmost...
早期: early period, early phase, early stage...
繁重: heavy, burdensome, heavy-duty, arduous, onerous...
呼吁: to call on (sb to do sth), to appeal (to), an appeal...
输入: to import, to input...