読み方 たす
1
(=加える) to add (one thing to another)
2
(=補う) to supply, make good (the deficiency); to make up (the deficit―for the deficit); to supplement, eke out, help out, piece out (one's income)
用をたす
to do one's business―transact business―(人に頼まれた用なら)―execute a commission―do one a service―(使い歩きの用なら)―run errands―undertake messages―(便通の意味なら)―do one's needs