彼は私に無理に歌わせた。

he; him; his; boyfriend

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

I; me; private affairs; personal matter; secrecy; selfishness

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

unreasonable; unnatural; unjustifiable; impossible; forcible; forced; compulsory; excessive (work, etc.); immoderate; to work too hard; to try too hard; irrational

to sing; to sing (one's praises in a poem, etc.); to compose a poem; to recite a poem