unsound

1.That bridge looks unsound to me.

以我看那桥。

2.I had an intuitive conviction that there was something unsound in him.

直觉使我确信他有问题。

3.Don’t listen to unsound advice.

别去听无根据劝告。

4.He escaped a prison sentence by reason of unsound mind at the time the crime was committed.

他以犯罪时精神正常为由逃过了监禁刑罚。