諺にもある通り、過ぎ去ったことはくよくよしても仕方がない。

proverb; maxim

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

too; also; in addition; as well; (not) either (in a negative sentence); both A and B; A as well as B; neither A nor B (in a negative sentence); even; as much as; as many as; as far as; as long as; no less than; no fewer than; even if; even though; although; in spite of; further; more; again; another; the other

to be (usu. of inanimate objects); to exist; to live; to have; to be located; to be equipped with; to happen; to come about

avenue; street; way; road; coming and going; street traffic; flow (of water, air, etc.); transmission (of sound); reach (e.g. of voice); fame; reputation; popularity; the same status or way; as (e.g. as expected, as I said); understanding; comprehension; counter for sets of things; counter for methods, ways, types

to pass; to pass away

thing; matter; incident; occurrence; event; something serious; trouble; crisis; circumstances; situation; state of affairs; work; business; affair; after an inflectable word, creates a noun phrase indicating something the speaker does not feel close to; nominalizing suffix; pretending to ...; playing make-believe ...; alias; aka; nickname; alternative name; also known as

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

worrying about; moping; brooding over; fretting

way; method; means; resource; course

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

nonexistent; not being (there); unpossessed; unowned; not had; unique; indicates negation, inexperience, unnecessariness or impossibility; not ...; to not be...; to have not ...