You'll have to work round to the subject gradually.你务必要绕到这个话题上。You'll have to work round to that subject tactfully.你得巧妙地绕到那个话题上面。The wind has worked round to the south.风向已逐渐转南。Don't hurry me, I shall work round to finishing the letters all in good time.别催我，我将慢慢地把这些信件都及时写好。