甘愿效劳: be glad to offer one's services; be glad to do sth. for sb.; exert oneself voluntarily in the service of another; render readily a service to sb.; willingly serve..
欣然: [书面语] joyfully; with pleasure; with (a) good grace 短语和例子欣然同意 gladly consent; readily agree; 他欣然同意在完成他眼前的任务后马上就走。 he was happily agreeable to go as soon as he was finished with his immediat
欣然接受: take in good part; receive in entire good part; accept with pleasure