一層

Noun

 * 1) a layer

Adverb

 * 1) much more; still more; all the more
 * 2) (would) rather; sooner; might as well
 * 1) (would) rather; sooner; might as well
 * 1) (would) rather; sooner; might as well

Etymology 2
Shift in pronunciation from.

Noun

 * 1) one layer; the bottom floor of a multi-storied building