relieve/ rɪ'liːv /

1.vt.[+pain] [ worry] 
(alleviate) 减轻

2.vt.[+colleague] 
(take over from) 换班

to relieve sb of sth
 [+load] 替某人拿某物
3.vt.[+duties] [ post] 
免除

to relieve o.s.
解大小便