undercutting

/ˌʌn.dɚˈkʌt/

动词

要价低于（竞争对手）
They claim to undercut their competitors by at least five percent.
他们宣称售价至少要比竞争对手低5%。
削弱；损害；使失败
He suspected it was an attempt to undercut his authority.
他怀疑这是企图削弱他的权力。