このことで彼は痛い目にあうだろう。

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

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

indicates location of action; at; in; indicates time of action; indicates means of action; cause of effect; by; and then; so; indicates continuing action; indicates certainty, emphasis, etc.

he; him; his; boyfriend

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

painful; sore; exceeding

eye; eyeball; eyesight; sight; vision; look; stare; glance; an experience; viewpoint; stitch; texture; weave; ordinal number suffix; somewhat; -ish

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

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

be; is; indicates past or completed action; indicates light imperative