I've often seen him bullied.
Watashi wa kare ga ijimerareru no o nan do mo mita.
I; me; private affairs; personal matter; secrecy; selfishness
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
he; him; his; boyfriend
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
to tease; to torment; to persecute; to chastise
indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question
indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.
what; how many; you-know-what; that; whatsit; what's the expression; what do you call them; what?; hey!
degree (angle, temperature, scale, etc.); counter for occurrences and times; strength (of alcohol)
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 see; to look; to watch; to view; to observe; to look over; to look on; to assess; to examine; to judge; to look after; to keep an eye on; to take care of; to view (e.g. flowers, movie); to try; to try out; to see that...; to find that...