undying

1. ADJ If you refer to someone's undying feelings, you mean that the feelings are very strong and are unlikely to change. (感情)強(qiáng)烈的; 不變的[文學(xué)性] [usu ADJ n]

Dianne declared her undying love for Sam. 戴安娜聲稱她對(duì)薩姆的愛(ài)永遠(yuǎn)不變。