adj.不清楚的，不明白的，含糊不清
His fists clench and unclench in leashed frustration at his impotence.
他的拳头握紧,然后又因为挫败感而松开.
To achieve true greatness, unclench that fist.
松开拳头,从而实现实实在在的强大.
His hands continued to clench and unclench.
他的双手反复地攥紧又松开.
汉字吧hanzi8.com