Jack had allowed himself to become fat.是什么意思？

Jack had allowed himself to become fat.

杰克听任自己发胖。

jack

n. 千斤顶，[信]插孔，插座，男人，纸牌中的J；vt. 提高，增加，用千斤顶顶起，抬起，抬起，使想起；vi. <美>用篝灯打猎（或捕鱼）；

例句
He told her their affair would have to stop, because Jack Smith was blackmailing him...
他告诉她说他们的婚外情必须结束了，因为杰克·史密斯正在敲诈他。

had

v. 有（ have的过去式和过去分词 ），（亲属关系中）接受，拿，买到；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

allowed

adj. [计]容许的；v. 允许( allow的过去式和过去分词 )，承认，酌增，接受；

例句
He was not allowed access to a lawyer.
他未被获准见律师。

himself

pron. （反身代词）他自己，（用以加强语气）他亲自，他本人；

例句
He pleaded guilty before a court martial to absenting himself without leave.
在军事法庭上他对自己擅离职守表示服罪。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

become

vi. 变为，成为，变得，变成；vt. 适合，适宜，相称，相当，变成，发生；

例句
...abandoned buildings that become a breeding ground for crime.
沦为了犯罪温床的弃置楼群

fat

adj. 肥的，胖的，厚的，大量的；n. 脂肪，肥肉，动植物油；vt. 养肥，在…中加入脂肪；vi. 长肥；

例句
It's made from natural ingredients, but with the added bonus of containing 30 per cent less fat than ordinary cheese.
该干酪用天然原料制成，而且其脂肪含量比普通干酪低30%。