更上一层楼

to take it up a notch / to bring it up a level

to change or replace / to experience / one of the five two-hour periods into which the night was formerly divided / watch (e.g. of a sentry or guard)

more / even more / further / still / still more

used in 上聲|上声[shang3 sheng1]

(bound form) up; upper; above; previous / first (of multiple parts) / to climb; to get onto; to go up / to attend (class or university) / (directional complement) up / (noun suffix) on; above

one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit

layer

to pile on top of one another / layer; stratum / floor (of a building); story / (math.) sheaf / classifier for layers

multistoried building / tower / pagoda

surname Lou

house with more than 1 story / storied building / floor / CL:層|层[ceng2],座[zuo4],棟|栋[dong4]