費心的用法和樣例：
例句
-
｀要我給您寄出去嗎？＇｀不必費心了，謝謝你。＇
`Do you want me to post it for you?' `No, don't trouble (about it), thank you.' -
多謝你這麼費心找到了我要找的東西。
Thank you for going to so much trouble to find what I was looking for. -
請不要費心了。
Please don't trouble. -
清不要為此費心了。
Please don't trouble about it.
