weakens

v.

lessen the strength of

"The fever weakened his body"

become weaker

"The prisoner's resistance weakened after seven days"

destroy property or hinder normal operations

同义词：sabotageunderminecounterminecounteractsubvert

reduce the level or intensity or size or scope of

同义词：de-escalatestep down

lessen in force or effect

同义词：dampendampsoftenbreak

The dilution effect: Nondiagnostic information weakens the implications of diagnostic information ☆
Polylactosamine glycosylation on human fetal placental fibronectin weakens the binding affinity of fibronectin to gelatin.
Global Warming and the Weakening of the Tropical Circulation
The philosophy of rhetoric
The chemistry of graphene oxide.
War and Change in World Politics
Export subsidies and international market share rivalry
Serum cholesterol and hemorrhagic stroke in the Honolulu Heart Program.
Trading Volume and Serial Correlation in Stock Returns
The Evolutionary Enigma of Mixed Mating Systems in Plants: Occurrence, Theoretical Explanations, and Empirical Evidence