weakness/ 'wiːknɪs /

1.noun [c] 
(frailty) 虚弱

2.noun [of system] [ method] 
薄弱

3.noun [of economy] [ currency] [ market] 
疲软

4.noun [of sound] [ signal] 
微弱

5.noun [c] 
(problem) 缺点

to have a weakness for sth
特别偏爱某物
֧ɨ