do level best 基本例句 竭尽全力;尽最大的努力 We should strain every nerve to do the work.我们应该竭尽全力来做这项工作。 He did his level best to please his father.他竭尽全力取悦父亲。 I will do my best to help you in every way.我会尽最大的努力在各方面帮助你。 We are resolved to do our utmost.我们下定决心要尽最大的努力。