halfheartedly

adv.不认真地,无兴趣地

不积极地；不认真地

副词

1. He halfheartedly attempted to finish his homework, but gave up after a few minutes.
他不认真地试图完成作业，但几分钟后就放弃了。
2. The team played halfheartedly in the match and ended up losing by a large margin.
队伍在比赛中表现得不积极，最终以大比分败北。