“一笔”的英语可以翻译为：at one stroke，brushstroke，trait ...

她赢得了一笔拨款，用以扩展自己的企业。She won a grant to develop her own business.公司试图从供货商那里再省下一笔费用。The company intends to squeeze further savings from its suppliers.他们下定决心要大赚一笔。They are set to make a big fat profit....