この前あなたにお会いして以来、かなり進歩されたようですね。

this (something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)

ago; before (some event); previously; (minutes) to (the hour); in front (of); before (e.g. the house); head (of a line); front (e.g. of a bus); fore part; in the presence of; helping; portion; privates; private parts

you (referring to someone of equal or lower status); dear (what a wife calls a husband)

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

honorific/polite/humble prefix

to meet; to encounter; to see; to have an accident; to have a bad experience

to do; to cause to become; to make (into); to turn (into); to serve as; to act as; to work as; to wear (clothes, a facial expression, etc.); to judge as being; to view as being; to think of as; to treat as; to use as; to decide on; to choose; to be sensed (of a smell, noise, etc.); to be (in a state, condition, etc.); to be worth; to cost; to pass (of time); to elapse; verbalizing suffix (applies to nouns noted in this dictionary with the part of speech "vs"); creates a humble verb (after a noun prefixed with "o" or "go"); to be just about to; to be just starting to; to try to; to attempt to

since; henceforth

considerably; fairly; quite

progress; advance; improvement; development

appearing ...; looking ...; way to ...; method of ...ing; form; style; design; like; similar to; thing (thought or spoken)

be; is

indicates emphasis, agreement, request for confirmation, etc.; is it so; hey; come on; listen; not