grasp at   (TTS發音)

1. catch at抓住

    As he fell，he grasped at a hanging chain but missed it. 跌倒時他向一條懸掛的鏈條抓去，但沒有抓到。

2. try to seize企圖攫取

    A man who grasps at too much may lose everything. 貪得無厭的人可能毫無所得。