bright-eyed and bushy-tailed
US /ˌbraɪt aɪd ənd ˌbʊʃ.i ˈteɪld/
UK /ˌbraɪt aɪd ənd ˌbʊʃ.i ˈteɪld/

1.
精神抖擞, 精力充沛
full of energy and enthusiasm
:
•
She arrived at work bright-eyed and bushy-tailed, ready to tackle the day.
她精神抖擞地来到公司,准备好迎接新的一天。
•
Even after a long flight, the children were still bright-eyed and bushy-tailed.
即使经过长途飞行,孩子们仍然精神抖擞。