weaken
英 ['wiːk(ə)n]
美['wikən]
	    - vt. 减少;使变弱;使变淡
 - vi. 变弱;畏缩;变软弱
 
英英释意
- 1. lessen the strength of;
 - "The fever weakened his body"
 
- 2. become weaker;
 - "The prisoner's resistance weakened after seven days"
 
- 3. destroy property or hinder normal operations;
 - "The Resistance sabotaged railroad operations during the war"
 
- 4. reduce the level or intensity or size or scope of;
 - "de-escalate a crisis"
 
- 5. lessen in force or effect;
 - "soften a shock"
 - "break a fall"