Undertake not what you can't perform,but be careful to keep your promise.希望知道这句话意思的人可以告诉我中文的解释以及出处.如果哪位大哥知道 乔治 华盛顿 说这句话的场合，小弟在送100分，多谢

347.At present, we can not undertake to entertain your order owning to the uncertainundertake to entertain 怎么解释undertake 这里是答应 we can not undertake to entertain your order owning to the uncertain availability of raw materials.undertakeentertain Undertake not what you can't perform,but be careful to keep your promise.希望知道这句话意思的人可以告诉我中文的解释以及出处.如果哪位大哥知道 乔治 华盛顿 说这句话的场合，小弟在送100分，多谢 what if 的汉语意思是什么?(1/2)undertake analysis of the obvious 、make a difference 、reach our goa y英语翻译what the hell not funny!leave me alone! undertake a study 英语翻译请给我绝对准确的答案,I undertake not to cancel this offer for seven days or until I shall sell the restaurant to someone else I don't know what is wrong with the machine.We need an engineer to __ the problem.A.undertake B.encounter C.reveal D.identify 需要英译中的一段,NOTE:Police Check:students must have cleared a police check before they can undertake practice teaching.students whose police checks are not cleared by the education sectors will not be able to undertake practice teaching and what not blind What is not there? I love you when you say what that is what!Does not love your time you say y what I miss not words not touched it only undertake for scientific research undertake后面常常加什么宾语? What's not to like? what thee is not thee?what face is not face?what ear is not ear?what room is not room? that's not what it