私達はかなりたくさんのもめごとに悩まされた。

we; us

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

considerably; fairly; quite

a lot; lots; plenty; many; a large number; much; a great deal; a good deal; enough; sufficient; enough; too many; too much

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

quarrel; trouble; dispute; friction (between people)

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 afflict; to torment; to harass; to molest