匍匐
卑躬屈膝
趴（grovel的过去式和过去分词）

Grovel \Grov"el\, v. i. [imp. & p. p. {Groveled}or {Grovelled};
p. pr. & vb. n. {Groveling} or {Grovelling}.] [From OE.
grovelinge, grufelinge, adv., on the face, prone, which was
misunderstood as a p. pr.; cf. OE. gruf, groff, in the same
sense; of Scand. origin, cf. Icel. gr[=u]fa, in [=a] gr[=u]fu
on the face, prone, gr[=u]fa to grovel.]
1. To creep on the earth, or with the face to the ground; to
lie prone, or move uneasily with the body prostrate on the
earth; to lie flat on one's belly, expressive of
abjectness; to crawl.

To creep and grovel on the ground. --Dryden.

2. To tend toward, or delight in, what is sensual or base; to
be low, abject, or mean.