indefatigable

1. ADJ You use indefatigable to describe someone who never gets tired of doing something. 不知疲倦的; 不屈不撓的[正式]

His indefatigable spirit helped him to cope with his illness. 他不屈不撓的精神幫助他對(duì)抗病魔。

2. indefatigablyADV [ADV with v, ADV adj]

She worked indefatigably to interest children in music. 她孜孜不倦、積極熱情地致力于激發(fā)孩子們對(duì)音樂(lè)的興趣。