台Taivo A Taiwan Mandarin dictionary

削弱

xuèruò

ㄒㄩㄝˋ ㄖㄨㄛˋ

Example

如果系統工程師繼續離開，公司的競爭優勢將會被削弱。

rúguǒ xìtǒng gōngchéngshī jìxù líkāi gōngsī de jìngzhēng yōushì jiānghuì bèi xuèruò

The company's competitive edge will be eroded if system engineers continue to leave.

Keep 削弱 and it comes back until you know it.