他用心良苦。

He's very well meaning.

《牛津词典》

每一首他用心用灵魂去诠释的歌。

Each of the first heart with his soul to the interpretation of the song.

youdao

他用心思索着生活中所发生的一切。

He observes everything in life carefully.

youdao

他用心说话，你可以知道他是真心的。

He speaks from the heart and you can tell that he is real.

youdao

我相信只要他用心去做，就一定可以胜任这份工作。

I'm sure he is up to the job if only he would give his mind to it.

youdao

尽管他用心良苦，想获得人们的支持，但最终还是失败了。

He failed with all his intentions to win the support of the people.

youdao

尽管他用心良苦，想获得人们的支持，但最终还是失败了。

He failed with all his intentions to win the support of the people.

youdao