weaken

减少，减弱vv

1 Over the last two years the president’s position has weakened..过去两年来，总统的地位被削弱了。

2 Changes in policy have weakened the power of the trade unions..政策的变化削弱了工会的力量。

3 The absence of this witness has weakened the case against the accused..这名证人的缺席削弱了对被告的指控力度。