(located) at; (to be) in; to exist; in the middle of doing sth; (indicating an action in progress)[cedict]
左侧
zuǒ cèㄗㄨㄛˇ ㄘㄜˋ
left side[cedict]
作为
zuò wéiㄗㄨㄛˋ ㄨㄟˊ
one's conduct; deed; activity; accomplishment; achievement; to act as; as (in the capacity of); qua; to view as; to look upon (sth as); to take sth to be[cedict]