insufficient/ˌɪnsəˈfɪʃnt; ˌɪnsə`fɪʃənt/ adj~ (for sth/to do sth) not sufficient 不充足的; 不充分的; 不足的; 不够的 The case was dismissed because of insufficient evidence. 该案因证据不足而撤销.
牛津英汉双解词典