needful

a.
1. needed,necessary,requisite,indispensable需要的，必要的，必需的，必不可少的。
△Lr.2.1.128 (126): “Laycomforts to your bosom,and bestow / Your needfulcounsel to our businesses，”你且善自宽慰，为我们的事情贡献一点正需要的意见。
△Ham.1.1.173: “As needful inour loves.”按照我们（对他）的交情.这是必要的。
2. requiring aid. urgent需要援助的，紧急的。
△3H.VI.2.1.145: “he was lately sent. / From your kind aunt.Duchess of Burgundy. / With aid of soldiers to thisneedful war.”他在最近被你姑母勃艮第公爵夫人派遣，带着援兵前来接应这场紧急的战争。
△R.III.5.3.40: “SweetBlunt,make some good means to speak with him.And give him from me this most needful note.”好布仑特，请你想办法去和他见面谈话，并且把我这封最紧急的短信交给他。