needless汉语翻译：
a. 不需要的, 不必要的
相关词组:
needless to say词型变化：
名词:needlessness副词:need-lessly英语解释：
形容词 needless:
unnecessary and unwarranted同义词：gratuitous, uncalled-for
例句：He got a large fortune when his father died, but trifled it away in only a few years of needless spending.父亲去世时他得到一大笔财产，可仅仅几年的时间就将这笔钱胡乱挥霍一空。
Needless to say, learning without thinking is useless.不用说，学而不思则罔。
Needless to say, he kept his promise.不用说，他信守了他的诺言。
详细解释：
