ail
ail
ail AHD[³l] DJ[e!l] KK[el]
v.(动词) ailed,ail.ing,ails
v.intr.(不及物动词)
    To feel ill or have pain.
    使受病痛:感到不舒服或有疼痛
v.tr.(及物动词)
    To cause physical or mental pain or uneasiness to; trouble.See Synonyms attrouble
    使痛苦:使…受身体或精神的痛苦或忧虑;使苦恼参见trouble
ORIGIN
1.Middle Englisheilen
    中古英语eilen
2.from Old Englisheglian
    源自 古英语eglian
3.fromegle [troublesome]
    源自egle [麻烦的,令人烦恼的]