unsound
/ˌʌnˈsaʊnd/adjective
1- not safe or robust; in poor condition不安全的; 不健康的, 情况不佳的：
the tower is structurally unsound.
那座塔结构不良。
1.1
- not based on sound evidence or reasoning and therefore unreliable or unacceptable无根据的; 不牢靠的; 不可接受的：
activities deemed to be environmentally unsound.
被认为是不利于环境的活动。
1.2
- (of a person) not competent, reliable, or holding acceptable views（人）不称职的; 不可靠的; 持错误观点的。
1.3
- injured, ill, or diseased, especially (of a horse) lame受伤的; 生病的; （尤指马）瘸的。
派生词