Akademik

ползать в ногах
ПОЛЗАТЬ В НОГАХ у кого; ПОЛЗАТЬ НА КОЛЕНЯХ перед кем{{}}
[VP]
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1. [subj: human]
to beg s.o. for sth. humbly, plead with s.o. for sth.:
- X ползал у Y-а в ногах{{}} X crawled (got) on his knees before Y;
- X came crawling (on his knees) to Y;
- X begged Y on bended knee;
- [in limited contexts] X got down on his knees before Y.
2. [subj: human or collect]
to be servile, kowtow to s.o. (usu. s.o. in a position of authority, one's conqueror etc):
- X ползает на коленях перед Y-ом{{}} X grovels to (before) Y;
- X crawls at Y's feet.

Большой русско-английский фразеологический словарь. — М.: ACT-ПРЕСС КНИГА. . 2004.