用ようが足たりる

expression, ichidan verb

serve the purpose; do the job; suffice

Used when something is sufficient or adequate for a particular need or task. Often implies that the thing is not ideal but gets the job done.

• この道どう具ぐで用ようが足たりるなら、新あたらしいのを買かわなくてもいい。

  If this tool does the job, we don't need to buy a new one.

• 簡かん単たんな説せつ明めいで用ようが足たりると思おもいます。

  I think a simple explanation will suffice.