風邪を引くと、風邪がなかなか抜けませんよ。

common cold; cold; influenza; flu; ague

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.

to pull; to draw (attention, etc.); to attract (interest, etc.); to draw back; to draw (a card); to draw (plan, line, etc.); to catch (cold); to play (string instr.); to look up (e.g. dictionary); to consult; to haul; to pull (vehicles); to subtract; to ebb; to fade; to descend (from); to inherit (a characteristic); to quote; to raise (as evidence); to lay (a cable); to draw (a cable)

if; when; and; with; particle used for quoting (with speech, thoughts, etc.); quoting particle; promoted pawn; indicates question (sentence end)

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

very; considerably; easily; readily; fairly; quite; highly; rather; by no means (with negative verb); not readily; middle; half-way point; excellent; wonderful; very good

to come out; to fall out; to be omitted; to be missing; to escape; to come loose; to fade; to discolour; to wear a hole (e.g. clothes); to leave (e.g. a meeting); to be clear; to be transparent (e.g. of the sky); to be stupid; to be absentminded; to be careless; to be inattentive; to exit (a program loop)

indicates certainty, emphasis, contempt, request, etc.; used when calling out to someone; used to catch one's breath or get someone's attention; yo!