Sentence:  For all their <WSD>frailty</WSD> at the back, Arsenal possessed genuine menace in attack and they carved through Chelsea with ease to restore parity nine minutes before half-time. Aaron Ramsey's pass was perfection and Gervinho took the unselfish option to set up Van Persie for a tap-in. 
Meaning of the word marked with <WSD> tags:  The condition quality of being frail, physically, mentally, or morally; weakness of resolution; liability to be deceived or seduced.