be of one’s free will; of one’s own accord; willingly and gladly ? 他便死也～。(《關(guān)漢卿戲劇集·包待制三勘蝴蝶夢》77) He will die content. ? 你們逼我們來，怎么是我們～的呢？(《高玉寶》61) You forced us to come here.How can you say we came of our own accord?/但這還不夠，還必須使全國廣大人民群眾覺悟，～和我們一起奮斗，去爭取勝利。(《毛澤東選集》1001) But this is not enough;we must also arouse the political con sciousness of the entire people so that they may willingly and gladly fight together with us for victory.
甘心情愿
willingly and gladly 他～放棄職務(wù)。He willingly and gladly gave up his post.
甘心情愿心甘情愿ɡān xīn qínɡ yuàn
甘：甜，引申為情愿，樂意。打心眼里愿意。willingly and gladly, gladly, perfectly willing