weaken

US /ˈwiː.kən/
UK /ˈwiː.kən/
"weaken" picture
1.

削弱, 减弱

make or become weaker in power, resolve, or physical strength

:
The illness had weakened him considerably.
疾病使他大大虚弱了。
The bridge was weakened by the constant heavy traffic.
桥梁因持续的重型交通而削弱