think

verb [vi. 不及物动词]认为，觉得；用于礼貌地请某人做某事；（用于问句,表示生气或吃惊）；认为（是），以为（是），觉得（是）；思考，考虑，动脑子；想做，打算做；想起，记起，回忆起；猜想，设想，想像

• I think we're being followed.

noun [抽象名词]想，思索，思考

• I think the response was good.