私は今軽い頭痛がする。

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

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

now; the present time; just now; soon; immediately; (one) more

light (i.e. not heavy); feeling light (i.e. offering little resistance, moving easily); light (i.e. of foot); nimble; agile; non-serious; minor; unimportant; trivial; slight; small; gentle; soft; easy; simple; indiscriminate

headache

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

to do; to cause to become; to make (into); to turn (into); to serve as; to act as; to work as; to wear (clothes, a facial expression, etc.); to judge as being; to view as being; to think of as; to treat as; to use as; to decide on; to choose; to be sensed (of a smell, noise, etc.); to be (in a state, condition, etc.); to be worth; to cost; to pass (of time); to elapse; verbalizing suffix (applies to nouns noted in this dictionary with the part of speech "vs"); creates a humble verb (after a noun prefixed with "o" or "go"); to be just about to; to be just starting to; to try to; to attempt to