1) do a small (great) kindness
小(大)帮忙
2) small curse but great help
小骂大帮忙
3) There is a miner attack in words but a major help in deeds.
小骂帮大忙。
4) be a big help; give a lot of help
帮大忙
5) It is a great help.
你帮了大忙！
6) The tour guide has been a great help.
导游帮了大忙。
补充资料：帮忙
（～儿）帮助别人做事，泛指在别人有困难的时候给予帮助：你搬家时我来～ㄧ这件事我实在帮不上忙。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条