belt/ bεlt /

1.noun [c] 
(clothing) 腰带

2.noun [of land] [ sea] [ air] 
地带

3.noun [术语] 
传动带

4.vt.[inf] 
(hit) 抽打

5.vi.[inf] 
to belt along/down/into {etc} 迅速去/下/入{等}

to tighten one's belt
 [fig] 节衣缩食
to have sth under one's belt
完成某事