undermine

1. V-T If you undermine something such as a feeling or a system, you make it less strong or less secure than it was before, often by a gradual process or by repeated efforts. 逐漸削弱; 逐漸動(dòng)搖

Offering advice on each and every problem will undermine her feeling of being adult. 每個(gè)問(wèn)題都爲(wèi)她提出忠告會(huì)逐漸削弱她的成年意識(shí)。

2. V-T If you undermine someone or undermine their position or authority, you make their authority or position less secure, often by indirect methods. (通常以間接方式) 動(dòng)搖 (某人的地位或權(quán)威)

She undermined him and destroyed his confidence in his own talent. 她動(dòng)搖了他的地位，摧燬了他對(duì)自己才能的信心。

3. V-T If you undermine someone's efforts or undermine their chances of achieving something, you behave in a way that makes them less likely to succeed. 破壞; 損害 (某人的努力或成功的機(jī)會(huì))

The continued fighting threatens to undermine efforts to negotiate an agreement. 持續(xù)的戰(zhàn)鬭有可能破壞通過(guò)談判達(dá)成協(xié)議的努力。