他(当时)满腔热忱想要参军。

He had a great eagerness to join the army.

我信心百倍，满腔热忱要把外贸做出来。

Full of confidence and zealousness, I want to do some foreign trade.

鲁迅对敌人冷嘲热讽，而对人民却是满腔热忱。

Lu Xun ranted and raved against the enemy, but he felt warmth towards the people.

这些勘探者虽然满腔热忱，但也面临诸多障碍比如开采许可规章和环境因素。

For all their enthusiasm, however, the prospectors face obstacles, among them regulation and environmental concerns.

雨雪霏霏，难挡一片红叶深情寄；吾心荡荡，迸出满腔热忱厚意托。衷心祝福新郎新娘新婚！

Snow or, hard to send a piece of red leaves deep feeling; My heart, bursts with zeal kindness. Best wishes to the bride and groom bride!