err

1. V-I If you err, you make a mistake. 犯错[正式]

It criticizes the main contractor for seriously erring in its estimates. 它批评主承包商在估算中严重出错。

2. PHRASE If you err on the side of caution, for example, you decide to act in a cautious way, rather than take risks. 宁可失之过于…

They may be wise to err on the side of caution. 他们宁可失之过于谨慎也不冒风险也许是明智的。